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Finding the Fourth Proportional to 6,124.90, 8,449.88 and 4,002.28

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Solution

The fourth proportional to 6,124.90, 8,449.88 and 4,002.28 is: 5,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.90 : 8,449.88 = 4,002.28 : x
  2. Step 2: Convert to fraction form
    6,124.90/8,449.88 = 4,002.28/x
  3. Step 3: Cross multiply
    6,124.90x = 8,449.88 × 4,002.28
  4. Step 4: Simplify right side
    6,124.90x = 33,818,785.73
  5. Step 5: Solve for x
    x = 33,818,785.73/6,124.90
  6. Step 6: Final answer
    x = 5,521.52

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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.