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Finding the Fourth Proportional to 63,649.53, 87,833.90 and 35,357.01

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Solution

The fourth proportional to 63,649.53, 87,833.90 and 35,357.01 is: 48,791.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,649.53 : 87,833.90 = 35,357.01 : x
  2. Step 2: Convert to fraction form
    63,649.53/87,833.90 = 35,357.01/x
  3. Step 3: Cross multiply
    63,649.53x = 87,833.90 × 35,357.01
  4. Step 4: Simplify right side
    63,649.53x = 3,105,543,903.85
  5. Step 5: Solve for x
    x = 3,105,543,903.85/63,649.53
  6. Step 6: Final answer
    x = 48,791.31

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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.