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Finding the Fourth Proportional to 8,068.13, 12,042.01 and 7,871.27

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Solution

The fourth proportional to 8,068.13, 12,042.01 and 7,871.27 is: 11,748.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.13 : 12,042.01 = 7,871.27 : x
  2. Step 2: Convert to fraction form
    8,068.13/12,042.01 = 7,871.27/x
  3. Step 3: Cross multiply
    8,068.13x = 12,042.01 × 7,871.27
  4. Step 4: Simplify right side
    8,068.13x = 94,785,872.70
  5. Step 5: Solve for x
    x = 94,785,872.70/8,068.13
  6. Step 6: Final answer
    x = 11,748.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.