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Finding the Fourth Proportional to 63,672.84, 87,864.66 and 35,377.56

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Solution

The fourth proportional to 63,672.84, 87,864.66 and 35,377.56 is: 48,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,672.84 : 87,864.66 = 35,377.56 : x
  2. Step 2: Convert to fraction form
    63,672.84/87,864.66 = 35,377.56/x
  3. Step 3: Cross multiply
    63,672.84x = 87,864.66 × 35,377.56
  4. Step 4: Simplify right side
    63,672.84x = 3,108,437,281.03
  5. Step 5: Solve for x
    x = 3,108,437,281.03/63,672.84
  6. Step 6: Final answer
    x = 48,818.89

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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.