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Finding the Fourth Proportional to 52,366.72, 72,266.84 and 28,493.44

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Solution

The fourth proportional to 52,366.72, 72,266.84 and 28,493.44 is: 39,321.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,366.72 : 72,266.84 = 28,493.44 : x
  2. Step 2: Convert to fraction form
    52,366.72/72,266.84 = 28,493.44/x
  3. Step 3: Cross multiply
    52,366.72x = 72,266.84 × 28,493.44
  4. Step 4: Simplify right side
    52,366.72x = 2,059,130,869.53
  5. Step 5: Solve for x
    x = 2,059,130,869.53/52,366.72
  6. Step 6: Final answer
    x = 39,321.36

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.