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Finding the Fourth Proportional to 44,191.40, 66,287.10 and 20,863.40

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Solution

The fourth proportional to 44,191.40, 66,287.10 and 20,863.40 is: 31,295.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,191.40 : 66,287.10 = 20,863.40 : x
  2. Step 2: Convert to fraction form
    44,191.40/66,287.10 = 20,863.40/x
  3. Step 3: Cross multiply
    44,191.40x = 66,287.10 × 20,863.40
  4. Step 4: Simplify right side
    44,191.40x = 1,382,974,282.14
  5. Step 5: Solve for x
    x = 1,382,974,282.14/44,191.40
  6. Step 6: Final answer
    x = 31,295.10

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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.