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Finding the Fourth Proportional to 17,038.66, 25,562.06 and 5,351.88

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Solution

The fourth proportional to 17,038.66, 25,562.06 and 5,351.88 is: 8,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,038.66 : 25,562.06 = 5,351.88 : x
  2. Step 2: Convert to fraction form
    17,038.66/25,562.06 = 5,351.88/x
  3. Step 3: Cross multiply
    17,038.66x = 25,562.06 × 5,351.88
  4. Step 4: Simplify right side
    17,038.66x = 136,805,077.67
  5. Step 5: Solve for x
    x = 136,805,077.67/17,038.66
  6. Step 6: Final answer
    x = 8,029.10

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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.