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Finding the Fourth Proportional to 63,294.96, 87,355.68 and 36,436.80

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Solution

The fourth proportional to 63,294.96, 87,355.68 and 36,436.80 is: 50,287.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,294.96 : 87,355.68 = 36,436.80 : x
  2. Step 2: Convert to fraction form
    63,294.96/87,355.68 = 36,436.80/x
  3. Step 3: Cross multiply
    63,294.96x = 87,355.68 × 36,436.80
  4. Step 4: Simplify right side
    63,294.96x = 3,182,961,441.02
  5. Step 5: Solve for x
    x = 3,182,961,441.02/63,294.96
  6. Step 6: Final answer
    x = 50,287.75

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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.