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Finding the Fourth Proportional to 83,950.13, 125,925.20 and 28,546.13

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Solution

The fourth proportional to 83,950.13, 125,925.20 and 28,546.13 is: 42,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,950.13 : 125,925.20 = 28,546.13 : x
  2. Step 2: Convert to fraction form
    83,950.13/125,925.20 = 28,546.13/x
  3. Step 3: Cross multiply
    83,950.13x = 125,925.20 × 28,546.13
  4. Step 4: Simplify right side
    83,950.13x = 3,594,677,129.48
  5. Step 5: Solve for x
    x = 3,594,677,129.48/83,950.13
  6. Step 6: Final answer
    x = 42,819.20

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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.