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Finding the Fourth Proportional to 17,024.90, 25,540 and 8,700.38

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Solution

The fourth proportional to 17,024.90, 25,540 and 8,700.38 is: 13,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,024.90 : 25,540 = 8,700.38 : x
  2. Step 2: Convert to fraction form
    17,024.90/25,540 = 8,700.38/x
  3. Step 3: Cross multiply
    17,024.90x = 25,540 × 8,700.38
  4. Step 4: Simplify right side
    17,024.90x = 222,207,705.20
  5. Step 5: Solve for x
    x = 222,207,705.20/17,024.90
  6. Step 6: Final answer
    x = 13,051.92

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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.