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Finding the Fourth Proportional to 67,046.52, 100,582.74 and 25,490.28

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Solution

The fourth proportional to 67,046.52, 100,582.74 and 25,490.28 is: 38,240.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,046.52 : 100,582.74 = 25,490.28 : x
  2. Step 2: Convert to fraction form
    67,046.52/100,582.74 = 25,490.28/x
  3. Step 3: Cross multiply
    67,046.52x = 100,582.74 × 25,490.28
  4. Step 4: Simplify right side
    67,046.52x = 2,563,882,205.77
  5. Step 5: Solve for x
    x = 2,563,882,205.77/67,046.52
  6. Step 6: Final answer
    x = 38,240.35

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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.