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Finding the Fourth Proportional to 6,251.33, 8,630.43 and 4,666.71

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Solution

The fourth proportional to 6,251.33, 8,630.43 and 4,666.71 is: 6,442.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.33 : 8,630.43 = 4,666.71 : x
  2. Step 2: Convert to fraction form
    6,251.33/8,630.43 = 4,666.71/x
  3. Step 3: Cross multiply
    6,251.33x = 8,630.43 × 4,666.71
  4. Step 4: Simplify right side
    6,251.33x = 40,275,713.99
  5. Step 5: Solve for x
    x = 40,275,713.99/6,251.33
  6. Step 6: Final answer
    x = 6,442.74

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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.