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Finding the Fourth Proportional to 15,125.39, 22,688.11 and 5,891.39

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Solution

The fourth proportional to 15,125.39, 22,688.11 and 5,891.39 is: 8,837.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125.39 : 22,688.11 = 5,891.39 : x
  2. Step 2: Convert to fraction form
    15,125.39/22,688.11 = 5,891.39/x
  3. Step 3: Cross multiply
    15,125.39x = 22,688.11 × 5,891.39
  4. Step 4: Simplify right side
    15,125.39x = 133,664,568.46
  5. Step 5: Solve for x
    x = 133,664,568.46/15,125.39
  6. Step 6: Final answer
    x = 8,837.10

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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.