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Finding the Fourth Proportional to 32,139.70, 48,211.79 and 9,950.15

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Solution

The fourth proportional to 32,139.70, 48,211.79 and 9,950.15 is: 14,925.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,139.70 : 48,211.79 = 9,950.15 : x
  2. Step 2: Convert to fraction form
    32,139.70/48,211.79 = 9,950.15/x
  3. Step 3: Cross multiply
    32,139.70x = 48,211.79 × 9,950.15
  4. Step 4: Simplify right side
    32,139.70x = 479,714,542.27
  5. Step 5: Solve for x
    x = 479,714,542.27/32,139.70
  6. Step 6: Final answer
    x = 14,925.92

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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.