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Finding the Fourth Proportional to 8,374.77, 12,562.11 and 2,134.76

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Solution

The fourth proportional to 8,374.77, 12,562.11 and 2,134.76 is: 3,202.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.77 : 12,562.11 = 2,134.76 : x
  2. Step 2: Convert to fraction form
    8,374.77/12,562.11 = 2,134.76/x
  3. Step 3: Cross multiply
    8,374.77x = 12,562.11 × 2,134.76
  4. Step 4: Simplify right side
    8,374.77x = 26,817,027.13
  5. Step 5: Solve for x
    x = 26,817,027.13/8,374.77
  6. Step 6: Final answer
    x = 3,202.12

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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.