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Finding the Fourth Proportional to 60,344.60, 90,369.12 and 42,531.44

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Solution

The fourth proportional to 60,344.60, 90,369.12 and 42,531.44 is: 63,693.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,344.60 : 90,369.12 = 42,531.44 : x
  2. Step 2: Convert to fraction form
    60,344.60/90,369.12 = 42,531.44/x
  3. Step 3: Cross multiply
    60,344.60x = 90,369.12 × 42,531.44
  4. Step 4: Simplify right side
    60,344.60x = 3,843,528,805.13
  5. Step 5: Solve for x
    x = 3,843,528,805.13/60,344.60
  6. Step 6: Final answer
    x = 63,693.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.