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Finding the Fourth Proportional to 37,391.97, 51,600.97 and 21,479.50

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Solution

The fourth proportional to 37,391.97, 51,600.97 and 21,479.50 is: 29,641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,391.97 : 51,600.97 = 21,479.50 : x
  2. Step 2: Convert to fraction form
    37,391.97/51,600.97 = 21,479.50/x
  3. Step 3: Cross multiply
    37,391.97x = 51,600.97 × 21,479.50
  4. Step 4: Simplify right side
    37,391.97x = 1,108,363,126.47
  5. Step 5: Solve for x
    x = 1,108,363,126.47/37,391.97
  6. Step 6: Final answer
    x = 29,641.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.