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Finding the Fourth Proportional to 8,241.84, 12,363.42 and 2,695.06

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Solution

The fourth proportional to 8,241.84, 12,363.42 and 2,695.06 is: 4,042.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.84 : 12,363.42 = 2,695.06 : x
  2. Step 2: Convert to fraction form
    8,241.84/12,363.42 = 2,695.06/x
  3. Step 3: Cross multiply
    8,241.84x = 12,363.42 × 2,695.06
  4. Step 4: Simplify right side
    8,241.84x = 33,320,158.71
  5. Step 5: Solve for x
    x = 33,320,158.71/8,241.84
  6. Step 6: Final answer
    x = 4,042.81

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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.