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Finding the Fourth Proportional to 63,355.60, 87,421.98 and 36,499.24

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Solution

The fourth proportional to 63,355.60, 87,421.98 and 36,499.24 is: 50,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,355.60 : 87,421.98 = 36,499.24 : x
  2. Step 2: Convert to fraction form
    63,355.60/87,421.98 = 36,499.24/x
  3. Step 3: Cross multiply
    63,355.60x = 87,421.98 × 36,499.24
  4. Step 4: Simplify right side
    63,355.60x = 3,190,835,829.30
  5. Step 5: Solve for x
    x = 3,190,835,829.30/63,355.60
  6. Step 6: Final answer
    x = 50,363.91

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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.