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Finding the Fourth Proportional to 84,482, 126,718.08 and 22,152.48

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Solution

The fourth proportional to 84,482, 126,718.08 and 22,152.48 is: 33,227.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,482 : 126,718.08 = 22,152.48 : x
  2. Step 2: Convert to fraction form
    84,482/126,718.08 = 22,152.48/x
  3. Step 3: Cross multiply
    84,482x = 126,718.08 × 22,152.48
  4. Step 4: Simplify right side
    84,482x = 2,807,119,732.84
  5. Step 5: Solve for x
    x = 2,807,119,732.84/84,482
  6. Step 6: Final answer
    x = 33,227.43

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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.