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Finding the Fourth Proportional to 40,871.56, 61,058.87 and 25,961.08

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Solution

The fourth proportional to 40,871.56, 61,058.87 and 25,961.08 is: 38,783.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,871.56 : 61,058.87 = 25,961.08 : x
  2. Step 2: Convert to fraction form
    40,871.56/61,058.87 = 25,961.08/x
  3. Step 3: Cross multiply
    40,871.56x = 61,058.87 × 25,961.08
  4. Step 4: Simplify right side
    40,871.56x = 1,585,154,208.78
  5. Step 5: Solve for x
    x = 1,585,154,208.78/40,871.56
  6. Step 6: Final answer
    x = 38,783.80

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.