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Finding the Fourth Proportional to 6,713.70, 10,070.55 and 5,331.30

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Solution

The fourth proportional to 6,713.70, 10,070.55 and 5,331.30 is: 7,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,713.70 : 10,070.55 = 5,331.30 : x
  2. Step 2: Convert to fraction form
    6,713.70/10,070.55 = 5,331.30/x
  3. Step 3: Cross multiply
    6,713.70x = 10,070.55 × 5,331.30
  4. Step 4: Simplify right side
    6,713.70x = 53,689,123.22
  5. Step 5: Solve for x
    x = 53,689,123.22/6,713.70
  6. Step 6: Final answer
    x = 7,996.95

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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.