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Finding the Fourth Proportional to 12,572.31, 18,829.73 and 6,003.11

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Solution

The fourth proportional to 12,572.31, 18,829.73 and 6,003.11 is: 8,990.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.31 : 18,829.73 = 6,003.11 : x
  2. Step 2: Convert to fraction form
    12,572.31/18,829.73 = 6,003.11/x
  3. Step 3: Cross multiply
    12,572.31x = 18,829.73 × 6,003.11
  4. Step 4: Simplify right side
    12,572.31x = 113,037,002.54
  5. Step 5: Solve for x
    x = 113,037,002.54/12,572.31
  6. Step 6: Final answer
    x = 8,990.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.