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Finding the Fourth Proportional to 75,411.69, 113,098.83 and 25,490.70

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Solution

The fourth proportional to 75,411.69, 113,098.83 and 25,490.70 is: 38,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,411.69 : 113,098.83 = 25,490.70 : x
  2. Step 2: Convert to fraction form
    75,411.69/113,098.83 = 25,490.70/x
  3. Step 3: Cross multiply
    75,411.69x = 113,098.83 × 25,490.70
  4. Step 4: Simplify right side
    75,411.69x = 2,882,968,345.88
  5. Step 5: Solve for x
    x = 2,882,968,345.88/75,411.69
  6. Step 6: Final answer
    x = 38,229.73

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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.