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Finding the Fourth Proportional to 52,497.55, 72,445.31 and 28,624.69

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Solution

The fourth proportional to 52,497.55, 72,445.31 and 28,624.69 is: 39,501.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,497.55 : 72,445.31 = 28,624.69 : x
  2. Step 2: Convert to fraction form
    52,497.55/72,445.31 = 28,624.69/x
  3. Step 3: Cross multiply
    52,497.55x = 72,445.31 × 28,624.69
  4. Step 4: Simplify right side
    52,497.55x = 2,073,724,540.70
  5. Step 5: Solve for x
    x = 2,073,724,540.70/52,497.55
  6. Step 6: Final answer
    x = 39,501.36

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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.