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Finding the Fourth Proportional to 8,303.52, 12,449.04 and 3,918.48

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Solution

The fourth proportional to 8,303.52, 12,449.04 and 3,918.48 is: 5,874.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.52 : 12,449.04 = 3,918.48 : x
  2. Step 2: Convert to fraction form
    8,303.52/12,449.04 = 3,918.48/x
  3. Step 3: Cross multiply
    8,303.52x = 12,449.04 × 3,918.48
  4. Step 4: Simplify right side
    8,303.52x = 48,781,314.26
  5. Step 5: Solve for x
    x = 48,781,314.26/8,303.52
  6. Step 6: Final answer
    x = 5,874.78

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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.