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Finding the Fourth Proportional to 63,565.54, 87,721.05 and 35,273.86

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Solution

The fourth proportional to 63,565.54, 87,721.05 and 35,273.86 is: 48,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,565.54 : 87,721.05 = 35,273.86 : x
  2. Step 2: Convert to fraction form
    63,565.54/87,721.05 = 35,273.86/x
  3. Step 3: Cross multiply
    63,565.54x = 87,721.05 × 35,273.86
  4. Step 4: Simplify right side
    63,565.54x = 3,094,260,036.75
  5. Step 5: Solve for x
    x = 3,094,260,036.75/63,565.54
  6. Step 6: Final answer
    x = 48,678.26

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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.