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Finding the Fourth Proportional to 17,242.79, 25,862.24 and 4,764.60

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Solution

The fourth proportional to 17,242.79, 25,862.24 and 4,764.60 is: 7,146.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,242.79 : 25,862.24 = 4,764.60 : x
  2. Step 2: Convert to fraction form
    17,242.79/25,862.24 = 4,764.60/x
  3. Step 3: Cross multiply
    17,242.79x = 25,862.24 × 4,764.60
  4. Step 4: Simplify right side
    17,242.79x = 123,223,099.39
  5. Step 5: Solve for x
    x = 123,223,099.39/17,242.79
  6. Step 6: Final answer
    x = 7,146.36

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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.