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Finding the Fourth Proportional to 6,373.46, 8,799.66 and 4,878.71

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Solution

The fourth proportional to 6,373.46, 8,799.66 and 4,878.71 is: 6,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,373.46 : 8,799.66 = 4,878.71 : x
  2. Step 2: Convert to fraction form
    6,373.46/8,799.66 = 4,878.71/x
  3. Step 3: Cross multiply
    6,373.46x = 8,799.66 × 4,878.71
  4. Step 4: Simplify right side
    6,373.46x = 42,930,989.24
  5. Step 5: Solve for x
    x = 42,930,989.24/6,373.46
  6. Step 6: Final answer
    x = 6,735.90

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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.