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Finding the Fourth Proportional to 8,333.76, 12,490.98 and 3,652.68

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Solution

The fourth proportional to 8,333.76, 12,490.98 and 3,652.68 is: 5,474.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.76 : 12,490.98 = 3,652.68 : x
  2. Step 2: Convert to fraction form
    8,333.76/12,490.98 = 3,652.68/x
  3. Step 3: Cross multiply
    8,333.76x = 12,490.98 × 3,652.68
  4. Step 4: Simplify right side
    8,333.76x = 45,625,552.83
  5. Step 5: Solve for x
    x = 45,625,552.83/8,333.76
  6. Step 6: Final answer
    x = 5,474.79

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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.