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Finding the Fourth Proportional to 10,158.82, 14,046.41 and 8,913.44

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Solution

The fourth proportional to 10,158.82, 14,046.41 and 8,913.44 is: 12,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.82 : 14,046.41 = 8,913.44 : x
  2. Step 2: Convert to fraction form
    10,158.82/14,046.41 = 8,913.44/x
  3. Step 3: Cross multiply
    10,158.82x = 14,046.41 × 8,913.44
  4. Step 4: Simplify right side
    10,158.82x = 125,201,832.75
  5. Step 5: Solve for x
    x = 125,201,832.75/10,158.82
  6. Step 6: Final answer
    x = 12,324.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.