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Finding the Fourth Proportional to 5,267.71, 7,900.95 and 4,395.76

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Solution

The fourth proportional to 5,267.71, 7,900.95 and 4,395.76 is: 6,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.71 : 7,900.95 = 4,395.76 : x
  2. Step 2: Convert to fraction form
    5,267.71/7,900.95 = 4,395.76/x
  3. Step 3: Cross multiply
    5,267.71x = 7,900.95 × 4,395.76
  4. Step 4: Simplify right side
    5,267.71x = 34,730,679.97
  5. Step 5: Solve for x
    x = 34,730,679.97/5,267.71
  6. Step 6: Final answer
    x = 6,593.13

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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.