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Finding the Fourth Proportional to 35,235.80, 52,853.46 and 8,581.47

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Solution

The fourth proportional to 35,235.80, 52,853.46 and 8,581.47 is: 12,872.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,235.80 : 52,853.46 = 8,581.47 : x
  2. Step 2: Convert to fraction form
    35,235.80/52,853.46 = 8,581.47/x
  3. Step 3: Cross multiply
    35,235.80x = 52,853.46 × 8,581.47
  4. Step 4: Simplify right side
    35,235.80x = 453,560,381.39
  5. Step 5: Solve for x
    x = 453,560,381.39/35,235.80
  6. Step 6: Final answer
    x = 12,872.15

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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.