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Finding the Fourth Proportional to 11,708.88, 17,565.78 and 6,159.18

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Solution

The fourth proportional to 11,708.88, 17,565.78 and 6,159.18 is: 9,240.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,708.88 : 17,565.78 = 6,159.18 : x
  2. Step 2: Convert to fraction form
    11,708.88/17,565.78 = 6,159.18/x
  3. Step 3: Cross multiply
    11,708.88x = 17,565.78 × 6,159.18
  4. Step 4: Simplify right side
    11,708.88x = 108,190,800.86
  5. Step 5: Solve for x
    x = 108,190,800.86/11,708.88
  6. Step 6: Final answer
    x = 9,240.06

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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.