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Finding the Fourth Proportional to 44,140.40, 66,154.80 and 17,830.40

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Solution

The fourth proportional to 44,140.40, 66,154.80 and 17,830.40 is: 26,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,140.40 : 66,154.80 = 17,830.40 : x
  2. Step 2: Convert to fraction form
    44,140.40/66,154.80 = 17,830.40/x
  3. Step 3: Cross multiply
    44,140.40x = 66,154.80 × 17,830.40
  4. Step 4: Simplify right side
    44,140.40x = 1,179,566,545.92
  5. Step 5: Solve for x
    x = 1,179,566,545.92/44,140.40
  6. Step 6: Final answer
    x = 26,723.06

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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.