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Finding the Fourth Proportional to 63,595.12, 95,394.71 and 31,987.92

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Solution

The fourth proportional to 63,595.12, 95,394.71 and 31,987.92 is: 47,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,595.12 : 95,394.71 = 31,987.92 : x
  2. Step 2: Convert to fraction form
    63,595.12/95,394.71 = 31,987.92/x
  3. Step 3: Cross multiply
    63,595.12x = 95,394.71 × 31,987.92
  4. Step 4: Simplify right side
    63,595.12x = 3,051,478,351.90
  5. Step 5: Solve for x
    x = 3,051,478,351.90/63,595.12
  6. Step 6: Final answer
    x = 47,982.90

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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.