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Finding the Fourth Proportional to 6,892.31, 9,500.47 and 6,320.26

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Solution

The fourth proportional to 6,892.31, 9,500.47 and 6,320.26 is: 8,711.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,892.31 : 9,500.47 = 6,320.26 : x
  2. Step 2: Convert to fraction form
    6,892.31/9,500.47 = 6,320.26/x
  3. Step 3: Cross multiply
    6,892.31x = 9,500.47 × 6,320.26
  4. Step 4: Simplify right side
    6,892.31x = 60,045,440.52
  5. Step 5: Solve for x
    x = 60,045,440.52/6,892.31
  6. Step 6: Final answer
    x = 8,711.95

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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.