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Finding the Fourth Proportional to 6,310.71, 8,708.10 and 3,477.95

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Solution

The fourth proportional to 6,310.71, 8,708.10 and 3,477.95 is: 4,799.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,310.71 : 8,708.10 = 3,477.95 : x
  2. Step 2: Convert to fraction form
    6,310.71/8,708.10 = 3,477.95/x
  3. Step 3: Cross multiply
    6,310.71x = 8,708.10 × 3,477.95
  4. Step 4: Simplify right side
    6,310.71x = 30,286,292.85
  5. Step 5: Solve for x
    x = 30,286,292.85/6,310.71
  6. Step 6: Final answer
    x = 4,799.19

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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.