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Finding the Fourth Proportional to 52,486.40, 72,414.96 and 29,824.40

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Solution

The fourth proportional to 52,486.40, 72,414.96 and 29,824.40 is: 41,148.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,486.40 : 72,414.96 = 29,824.40 : x
  2. Step 2: Convert to fraction form
    52,486.40/72,414.96 = 29,824.40/x
  3. Step 3: Cross multiply
    52,486.40x = 72,414.96 × 29,824.40
  4. Step 4: Simplify right side
    52,486.40x = 2,159,732,733.02
  5. Step 5: Solve for x
    x = 2,159,732,733.02/52,486.40
  6. Step 6: Final answer
    x = 41,148.43

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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.