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Finding the Fourth Proportional to 43,980.88, 60,691.08 and 25,119.76

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Solution

The fourth proportional to 43,980.88, 60,691.08 and 25,119.76 is: 34,663.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,980.88 : 60,691.08 = 25,119.76 : x
  2. Step 2: Convert to fraction form
    43,980.88/60,691.08 = 25,119.76/x
  3. Step 3: Cross multiply
    43,980.88x = 60,691.08 × 25,119.76
  4. Step 4: Simplify right side
    43,980.88x = 1,524,545,363.74
  5. Step 5: Solve for x
    x = 1,524,545,363.74/43,980.88
  6. Step 6: Final answer
    x = 34,663.82

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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.