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Finding the Fourth Proportional to 60,470.60, 90,674.79 and 27,162.08

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Solution

The fourth proportional to 60,470.60, 90,674.79 and 27,162.08 is: 40,729.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,470.60 : 90,674.79 = 27,162.08 : x
  2. Step 2: Convert to fraction form
    60,470.60/90,674.79 = 27,162.08/x
  3. Step 3: Cross multiply
    60,470.60x = 90,674.79 × 27,162.08
  4. Step 4: Simplify right side
    60,470.60x = 2,462,915,446.59
  5. Step 5: Solve for x
    x = 2,462,915,446.59/60,470.60
  6. Step 6: Final answer
    x = 40,729.14

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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.