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Finding the Fourth Proportional to 17,068.74, 23,548.35 and 12,603.21

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Solution

The fourth proportional to 17,068.74, 23,548.35 and 12,603.21 is: 17,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,068.74 : 23,548.35 = 12,603.21 : x
  2. Step 2: Convert to fraction form
    17,068.74/23,548.35 = 12,603.21/x
  3. Step 3: Cross multiply
    17,068.74x = 23,548.35 × 12,603.21
  4. Step 4: Simplify right side
    17,068.74x = 296,784,800.20
  5. Step 5: Solve for x
    x = 296,784,800.20/17,068.74
  6. Step 6: Final answer
    x = 17,387.62

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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.