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Finding the Fourth Proportional to 63,387.72, 87,475.68 and 35,094.96

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Solution

The fourth proportional to 63,387.72, 87,475.68 and 35,094.96 is: 48,431.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,387.72 : 87,475.68 = 35,094.96 : x
  2. Step 2: Convert to fraction form
    63,387.72/87,475.68 = 35,094.96/x
  3. Step 3: Cross multiply
    63,387.72x = 87,475.68 × 35,094.96
  4. Step 4: Simplify right side
    63,387.72x = 3,069,955,490.57
  5. Step 5: Solve for x
    x = 3,069,955,490.57/63,387.72
  6. Step 6: Final answer
    x = 48,431.39

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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.