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Finding the Fourth Proportional to 63,597.96, 87,765.52 and 39,738.46

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Solution

The fourth proportional to 63,597.96, 87,765.52 and 39,738.46 is: 54,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,597.96 : 87,765.52 = 39,738.46 : x
  2. Step 2: Convert to fraction form
    63,597.96/87,765.52 = 39,738.46/x
  3. Step 3: Cross multiply
    63,597.96x = 87,765.52 × 39,738.46
  4. Step 4: Simplify right side
    63,597.96x = 3,487,666,605.90
  5. Step 5: Solve for x
    x = 3,487,666,605.90/63,597.96
  6. Step 6: Final answer
    x = 54,839.28

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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.