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Finding the Fourth Proportional to 8,068.71, 12,034.05 and 7,087.95

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Solution

The fourth proportional to 8,068.71, 12,034.05 and 7,087.95 is: 10,571.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.71 : 12,034.05 = 7,087.95 : x
  2. Step 2: Convert to fraction form
    8,068.71/12,034.05 = 7,087.95/x
  3. Step 3: Cross multiply
    8,068.71x = 12,034.05 × 7,087.95
  4. Step 4: Simplify right side
    8,068.71x = 85,296,744.70
  5. Step 5: Solve for x
    x = 85,296,744.70/8,068.71
  6. Step 6: Final answer
    x = 10,571.30

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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.