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Finding the Fourth Proportional to 8,726.66, 12,047.25 and 6,732.74

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Solution

The fourth proportional to 8,726.66, 12,047.25 and 6,732.74 is: 9,294.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.66 : 12,047.25 = 6,732.74 : x
  2. Step 2: Convert to fraction form
    8,726.66/12,047.25 = 6,732.74/x
  3. Step 3: Cross multiply
    8,726.66x = 12,047.25 × 6,732.74
  4. Step 4: Simplify right side
    8,726.66x = 81,111,001.97
  5. Step 5: Solve for x
    x = 81,111,001.97/8,726.66
  6. Step 6: Final answer
    x = 9,294.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.