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Finding the Fourth Proportional to 64,862.88, 97,266.24 and 27,439.68

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Solution

The fourth proportional to 64,862.88, 97,266.24 and 27,439.68 is: 41,147.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,862.88 : 97,266.24 = 27,439.68 : x
  2. Step 2: Convert to fraction form
    64,862.88/97,266.24 = 27,439.68/x
  3. Step 3: Cross multiply
    64,862.88x = 97,266.24 × 27,439.68
  4. Step 4: Simplify right side
    64,862.88x = 2,668,954,500.40
  5. Step 5: Solve for x
    x = 2,668,954,500.40/64,862.88
  6. Step 6: Final answer
    x = 41,147.64

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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.