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Finding the Fourth Proportional to 63,472.38, 87,582.66 and 35,178

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Solution

The fourth proportional to 63,472.38, 87,582.66 and 35,178 is: 48,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,472.38 : 87,582.66 = 35,178 : x
  2. Step 2: Convert to fraction form
    63,472.38/87,582.66 = 35,178/x
  3. Step 3: Cross multiply
    63,472.38x = 87,582.66 × 35,178
  4. Step 4: Simplify right side
    63,472.38x = 3,080,982,813.48
  5. Step 5: Solve for x
    x = 3,080,982,813.48/63,472.38
  6. Step 6: Final answer
    x = 48,540.53

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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.