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Finding the Fourth Proportional to 22,691.92, 34,037.86 and 7,110.76

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Solution

The fourth proportional to 22,691.92, 34,037.86 and 7,110.76 is: 10,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,691.92 : 34,037.86 = 7,110.76 : x
  2. Step 2: Convert to fraction form
    22,691.92/34,037.86 = 7,110.76/x
  3. Step 3: Cross multiply
    22,691.92x = 34,037.86 × 7,110.76
  4. Step 4: Simplify right side
    22,691.92x = 242,035,053.37
  5. Step 5: Solve for x
    x = 242,035,053.37/22,691.92
  6. Step 6: Final answer
    x = 10,666.13

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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.