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Finding the Fourth Proportional to 17,720.61, 26,586.99 and 6,042.03

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Solution

The fourth proportional to 17,720.61, 26,586.99 and 6,042.03 is: 9,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.61 : 26,586.99 = 6,042.03 : x
  2. Step 2: Convert to fraction form
    17,720.61/26,586.99 = 6,042.03/x
  3. Step 3: Cross multiply
    17,720.61x = 26,586.99 × 6,042.03
  4. Step 4: Simplify right side
    17,720.61x = 160,639,391.19
  5. Step 5: Solve for x
    x = 160,639,391.19/17,720.61
  6. Step 6: Final answer
    x = 9,065.12

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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.