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Finding the Fourth Proportional to 63,098.60, 94,518.30 and 31,951.40

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Solution

The fourth proportional to 63,098.60, 94,518.30 and 31,951.40 is: 47,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,098.60 : 94,518.30 = 31,951.40 : x
  2. Step 2: Convert to fraction form
    63,098.60/94,518.30 = 31,951.40/x
  3. Step 3: Cross multiply
    63,098.60x = 94,518.30 × 31,951.40
  4. Step 4: Simplify right side
    63,098.60x = 3,019,992,010.62
  5. Step 5: Solve for x
    x = 3,019,992,010.62/63,098.60
  6. Step 6: Final answer
    x = 47,861.47

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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.