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Finding the Fourth Proportional to 44,426.88, 66,562.56 and 25,920

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Solution

The fourth proportional to 44,426.88, 66,562.56 and 25,920 is: 38,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,426.88 : 66,562.56 = 25,920 : x
  2. Step 2: Convert to fraction form
    44,426.88/66,562.56 = 25,920/x
  3. Step 3: Cross multiply
    44,426.88x = 66,562.56 × 25,920
  4. Step 4: Simplify right side
    44,426.88x = 1,725,301,555.20
  5. Step 5: Solve for x
    x = 1,725,301,555.20/44,426.88
  6. Step 6: Final answer
    x = 38,834.63

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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.