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Finding the Fourth Proportional to 43,564.52, 65,264.62 and 25,742.04

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Solution

The fourth proportional to 43,564.52, 65,264.62 and 25,742.04 is: 38,564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,564.52 : 65,264.62 = 25,742.04 : x
  2. Step 2: Convert to fraction form
    43,564.52/65,264.62 = 25,742.04/x
  3. Step 3: Cross multiply
    43,564.52x = 65,264.62 × 25,742.04
  4. Step 4: Simplify right side
    43,564.52x = 1,680,044,458.62
  5. Step 5: Solve for x
    x = 1,680,044,458.62/43,564.52
  6. Step 6: Final answer
    x = 38,564.51

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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.