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Finding the Fourth Proportional to 63,649.78, 87,834.24 and 35,357.26

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Solution

The fourth proportional to 63,649.78, 87,834.24 and 35,357.26 is: 48,791.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,649.78 : 87,834.24 = 35,357.26 : x
  2. Step 2: Convert to fraction form
    63,649.78/87,834.24 = 35,357.26/x
  3. Step 3: Cross multiply
    63,649.78x = 87,834.24 × 35,357.26
  4. Step 4: Simplify right side
    63,649.78x = 3,105,578,060.58
  5. Step 5: Solve for x
    x = 3,105,578,060.58/63,649.78
  6. Step 6: Final answer
    x = 48,791.65

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1.5x scale

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.