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Finding the Fourth Proportional to 8,292.68, 12,427.91 and 4,069.48

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Solution

The fourth proportional to 8,292.68, 12,427.91 and 4,069.48 is: 6,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292.68 : 12,427.91 = 4,069.48 : x
  2. Step 2: Convert to fraction form
    8,292.68/12,427.91 = 4,069.48/x
  3. Step 3: Cross multiply
    8,292.68x = 12,427.91 × 4,069.48
  4. Step 4: Simplify right side
    8,292.68x = 50,575,079.77
  5. Step 5: Solve for x
    x = 50,575,079.77/8,292.68
  6. Step 6: Final answer
    x = 6,098.76

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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.