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Finding the Fourth Proportional to 29,521.76, 40,745.28 and 17,592

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Solution

The fourth proportional to 29,521.76, 40,745.28 and 17,592 is: 24,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,521.76 : 40,745.28 = 17,592 : x
  2. Step 2: Convert to fraction form
    29,521.76/40,745.28 = 17,592/x
  3. Step 3: Cross multiply
    29,521.76x = 40,745.28 × 17,592
  4. Step 4: Simplify right side
    29,521.76x = 716,790,965.76
  5. Step 5: Solve for x
    x = 716,790,965.76/29,521.76
  6. Step 6: Final answer
    x = 24,280.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.