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Finding the Fourth Proportional to 63,726.71, 87,945.11 and 35,048.58

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Solution

The fourth proportional to 63,726.71, 87,945.11 and 35,048.58 is: 48,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,726.71 : 87,945.11 = 35,048.58 : x
  2. Step 2: Convert to fraction form
    63,726.71/87,945.11 = 35,048.58/x
  3. Step 3: Cross multiply
    63,726.71x = 87,945.11 × 35,048.58
  4. Step 4: Simplify right side
    63,726.71x = 3,082,351,048.20
  5. Step 5: Solve for x
    x = 3,082,351,048.20/63,726.71
  6. Step 6: Final answer
    x = 48,368.28

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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.