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Finding the Fourth Proportional to 6,248.03, 8,620.20 and 4,124.63

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Solution

The fourth proportional to 6,248.03, 8,620.20 and 4,124.63 is: 5,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.03 : 8,620.20 = 4,124.63 : x
  2. Step 2: Convert to fraction form
    6,248.03/8,620.20 = 4,124.63/x
  3. Step 3: Cross multiply
    6,248.03x = 8,620.20 × 4,124.63
  4. Step 4: Simplify right side
    6,248.03x = 35,555,135.53
  5. Step 5: Solve for x
    x = 35,555,135.53/6,248.03
  6. Step 6: Final answer
    x = 5,690.62

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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.