Home / 52,476.51-72,419.12-28,604.73

Finding the Fourth Proportional to 52,476.51, 72,419.12 and 28,604.73

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Solution

The fourth proportional to 52,476.51, 72,419.12 and 28,604.73 is: 39,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,476.51 : 72,419.12 = 28,604.73 : x
  2. Step 2: Convert to fraction form
    52,476.51/72,419.12 = 28,604.73/x
  3. Step 3: Cross multiply
    52,476.51x = 72,419.12 × 28,604.73
  4. Step 4: Simplify right side
    52,476.51x = 2,071,529,374.44
  5. Step 5: Solve for x
    x = 2,071,529,374.44/52,476.51
  6. Step 6: Final answer
    x = 39,475.36

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Half scale
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Double scale
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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.