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Finding the Fourth Proportional to 17,617.70, 26,430.15 and 5,932.10

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Solution

The fourth proportional to 17,617.70, 26,430.15 and 5,932.10 is: 8,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,617.70 : 26,430.15 = 5,932.10 : x
  2. Step 2: Convert to fraction form
    17,617.70/26,430.15 = 5,932.10/x
  3. Step 3: Cross multiply
    17,617.70x = 26,430.15 × 5,932.10
  4. Step 4: Simplify right side
    17,617.70x = 156,786,292.82
  5. Step 5: Solve for x
    x = 156,786,292.82/17,617.70
  6. Step 6: Final answer
    x = 8,899.36

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1.5x scale

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.