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Finding the Fourth Proportional to 74,838.91, 112,276.25 and 24,919.42

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Solution

The fourth proportional to 74,838.91, 112,276.25 and 24,919.42 is: 37,385.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,838.91 : 112,276.25 = 24,919.42 : x
  2. Step 2: Convert to fraction form
    74,838.91/112,276.25 = 24,919.42/x
  3. Step 3: Cross multiply
    74,838.91x = 112,276.25 × 24,919.42
  4. Step 4: Simplify right side
    74,838.91x = 2,797,859,314.32
  5. Step 5: Solve for x
    x = 2,797,859,314.32/74,838.91
  6. Step 6: Final answer
    x = 37,385.09

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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.