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Finding the Fourth Proportional to 63,565.22, 87,721.98 and 35,273.54

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Solution

The fourth proportional to 63,565.22, 87,721.98 and 35,273.54 is: 48,678.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,565.22 : 87,721.98 = 35,273.54 : x
  2. Step 2: Convert to fraction form
    63,565.22/87,721.98 = 35,273.54/x
  3. Step 3: Cross multiply
    63,565.22x = 87,721.98 × 35,273.54
  4. Step 4: Simplify right side
    63,565.22x = 3,094,264,770.41
  5. Step 5: Solve for x
    x = 3,094,264,770.41/63,565.22
  6. Step 6: Final answer
    x = 48,678.58

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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.