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Finding the Fourth Proportional to 65,149.04, 89,898.08 and 36,470.28

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Solution

The fourth proportional to 65,149.04, 89,898.08 and 36,470.28 is: 50,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,149.04 : 89,898.08 = 36,470.28 : x
  2. Step 2: Convert to fraction form
    65,149.04/89,898.08 = 36,470.28/x
  3. Step 3: Cross multiply
    65,149.04x = 89,898.08 × 36,470.28
  4. Step 4: Simplify right side
    65,149.04x = 3,278,608,149.06
  5. Step 5: Solve for x
    x = 3,278,608,149.06/65,149.04
  6. Step 6: Final answer
    x = 50,324.73

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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.