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Finding the Fourth Proportional to 6,332.14, 8,737.77 and 3,970.18

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Solution

The fourth proportional to 6,332.14, 8,737.77 and 3,970.18 is: 5,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,332.14 : 8,737.77 = 3,970.18 : x
  2. Step 2: Convert to fraction form
    6,332.14/8,737.77 = 3,970.18/x
  3. Step 3: Cross multiply
    6,332.14x = 8,737.77 × 3,970.18
  4. Step 4: Simplify right side
    6,332.14x = 34,690,519.70
  5. Step 5: Solve for x
    x = 34,690,519.70/6,332.14
  6. Step 6: Final answer
    x = 5,478.48

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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.