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Finding the Fourth Proportional to 8,726.14, 11,963.56 and 8,568.19

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Solution

The fourth proportional to 8,726.14, 11,963.56 and 8,568.19 is: 11,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.14 : 11,963.56 = 8,568.19 : x
  2. Step 2: Convert to fraction form
    8,726.14/11,963.56 = 8,568.19/x
  3. Step 3: Cross multiply
    8,726.14x = 11,963.56 × 8,568.19
  4. Step 4: Simplify right side
    8,726.14x = 102,506,055.16
  5. Step 5: Solve for x
    x = 102,506,055.16/8,726.14
  6. Step 6: Final answer
    x = 11,747.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.