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Finding the Fourth Proportional to 62,446.76, 86,178 and 35,591.76

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Solution

The fourth proportional to 62,446.76, 86,178 and 35,591.76 is: 49,117.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,446.76 : 86,178 = 35,591.76 : x
  2. Step 2: Convert to fraction form
    62,446.76/86,178 = 35,591.76/x
  3. Step 3: Cross multiply
    62,446.76x = 86,178 × 35,591.76
  4. Step 4: Simplify right side
    62,446.76x = 3,067,226,693.28
  5. Step 5: Solve for x
    x = 3,067,226,693.28/62,446.76
  6. Step 6: Final answer
    x = 49,117.47

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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.