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Finding the Fourth Proportional to 41,124.39, 61,686.38 and 9,959.64

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Solution

The fourth proportional to 41,124.39, 61,686.38 and 9,959.64 is: 14,939.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,124.39 : 61,686.38 = 9,959.64 : x
  2. Step 2: Convert to fraction form
    41,124.39/61,686.38 = 9,959.64/x
  3. Step 3: Cross multiply
    41,124.39x = 61,686.38 × 9,959.64
  4. Step 4: Simplify right side
    41,124.39x = 614,374,087.91
  5. Step 5: Solve for x
    x = 614,374,087.91/41,124.39
  6. Step 6: Final answer
    x = 14,939.41

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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.