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Finding the Fourth Proportional to 29,230.47, 40,340.43 and 17,291.88

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Solution

The fourth proportional to 29,230.47, 40,340.43 and 17,291.88 is: 23,864.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,230.47 : 40,340.43 = 17,291.88 : x
  2. Step 2: Convert to fraction form
    29,230.47/40,340.43 = 17,291.88/x
  3. Step 3: Cross multiply
    29,230.47x = 40,340.43 × 17,291.88
  4. Step 4: Simplify right side
    29,230.47x = 697,561,874.71
  5. Step 5: Solve for x
    x = 697,561,874.71/29,230.47
  6. Step 6: Final answer
    x = 23,864.20

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