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Finding the Fourth Proportional to 28,592.76, 39,463.62 and 17,264.12

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Solution

The fourth proportional to 28,592.76, 39,463.62 and 17,264.12 is: 23,827.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,592.76 : 39,463.62 = 17,264.12 : x
  2. Step 2: Convert to fraction form
    28,592.76/39,463.62 = 17,264.12/x
  3. Step 3: Cross multiply
    28,592.76x = 39,463.62 × 17,264.12
  4. Step 4: Simplify right side
    28,592.76x = 681,304,671.31
  5. Step 5: Solve for x
    x = 681,304,671.31/28,592.76
  6. Step 6: Final answer
    x = 23,827.87

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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.