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Finding the Fourth Proportional to 8,262.95, 12,395.10 and 2,339.85

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Solution

The fourth proportional to 8,262.95, 12,395.10 and 2,339.85 is: 3,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.95 : 12,395.10 = 2,339.85 : x
  2. Step 2: Convert to fraction form
    8,262.95/12,395.10 = 2,339.85/x
  3. Step 3: Cross multiply
    8,262.95x = 12,395.10 × 2,339.85
  4. Step 4: Simplify right side
    8,262.95x = 29,002,674.74
  5. Step 5: Solve for x
    x = 29,002,674.74/8,262.95
  6. Step 6: Final answer
    x = 3,509.97

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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.