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Finding the Fourth Proportional to 52,921.41, 73,032.41 and 29,050.31

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Solution

The fourth proportional to 52,921.41, 73,032.41 and 29,050.31 is: 40,089.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,921.41 : 73,032.41 = 29,050.31 : x
  2. Step 2: Convert to fraction form
    52,921.41/73,032.41 = 29,050.31/x
  3. Step 3: Cross multiply
    52,921.41x = 73,032.41 × 29,050.31
  4. Step 4: Simplify right side
    52,921.41x = 2,121,613,640.13
  5. Step 5: Solve for x
    x = 2,121,613,640.13/52,921.41
  6. Step 6: Final answer
    x = 40,089.89

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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.