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Finding the Fourth Proportional to 63,640.30, 87,833.19 and 45,794.38

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Solution

The fourth proportional to 63,640.30, 87,833.19 and 45,794.38 is: 63,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,640.30 : 87,833.19 = 45,794.38 : x
  2. Step 2: Convert to fraction form
    63,640.30/87,833.19 = 45,794.38/x
  3. Step 3: Cross multiply
    63,640.30x = 87,833.19 × 45,794.38
  4. Step 4: Simplify right side
    63,640.30x = 4,022,266,479.47
  5. Step 5: Solve for x
    x = 4,022,266,479.47/63,640.30
  6. Step 6: Final answer
    x = 63,203.14

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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.