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Finding the Fourth Proportional to 8,363.08, 12,449.06 and 8,238.47

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Solution

The fourth proportional to 8,363.08, 12,449.06 and 8,238.47 is: 12,263.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,363.08 : 12,449.06 = 8,238.47 : x
  2. Step 2: Convert to fraction form
    8,363.08/12,449.06 = 8,238.47/x
  3. Step 3: Cross multiply
    8,363.08x = 12,449.06 × 8,238.47
  4. Step 4: Simplify right side
    8,363.08x = 102,561,207.34
  5. Step 5: Solve for x
    x = 102,561,207.34/8,363.08
  6. Step 6: Final answer
    x = 12,263.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.