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Finding the Fourth Proportional to 32,139.95, 48,211.97 and 9,951.44

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Solution

The fourth proportional to 32,139.95, 48,211.97 and 9,951.44 is: 14,927.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,139.95 : 48,211.97 = 9,951.44 : x
  2. Step 2: Convert to fraction form
    32,139.95/48,211.97 = 9,951.44/x
  3. Step 3: Cross multiply
    32,139.95x = 48,211.97 × 9,951.44
  4. Step 4: Simplify right side
    32,139.95x = 479,778,235.92
  5. Step 5: Solve for x
    x = 479,778,235.92/32,139.95
  6. Step 6: Final answer
    x = 14,927.79

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1.5x scale

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.