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Finding the Fourth Proportional to 63,008.64, 86,949.24 and 36,132.48

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Solution

The fourth proportional to 63,008.64, 86,949.24 and 36,132.48 is: 49,861.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,008.64 : 86,949.24 = 36,132.48 : x
  2. Step 2: Convert to fraction form
    63,008.64/86,949.24 = 36,132.48/x
  3. Step 3: Cross multiply
    63,008.64x = 86,949.24 × 36,132.48
  4. Step 4: Simplify right side
    63,008.64x = 3,141,691,675.32
  5. Step 5: Solve for x
    x = 3,141,691,675.32/63,008.64
  6. Step 6: Final answer
    x = 49,861.28

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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.