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Finding the Fourth Proportional to 44,490.92, 66,711.84 and 18,214.16

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Solution

The fourth proportional to 44,490.92, 66,711.84 and 18,214.16 is: 27,311.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,490.92 : 66,711.84 = 18,214.16 : x
  2. Step 2: Convert to fraction form
    44,490.92/66,711.84 = 18,214.16/x
  3. Step 3: Cross multiply
    44,490.92x = 66,711.84 × 18,214.16
  4. Step 4: Simplify right side
    44,490.92x = 1,215,100,127.65
  5. Step 5: Solve for x
    x = 1,215,100,127.65/44,490.92
  6. Step 6: Final answer
    x = 27,311.19

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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.