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Finding the Fourth Proportional to 41,866.64, 63,079.20 and 37,868.64

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Solution

The fourth proportional to 41,866.64, 63,079.20 and 37,868.64 is: 57,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,866.64 : 63,079.20 = 37,868.64 : x
  2. Step 2: Convert to fraction form
    41,866.64/63,079.20 = 37,868.64/x
  3. Step 3: Cross multiply
    41,866.64x = 63,079.20 × 37,868.64
  4. Step 4: Simplify right side
    41,866.64x = 2,388,723,516.29
  5. Step 5: Solve for x
    x = 2,388,723,516.29/41,866.64
  6. Step 6: Final answer
    x = 57,055.54

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.