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Finding the Fourth Proportional to 36,055.92, 54,058.08 and 13,865.16

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Solution

The fourth proportional to 36,055.92, 54,058.08 and 13,865.16 is: 20,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,055.92 : 54,058.08 = 13,865.16 : x
  2. Step 2: Convert to fraction form
    36,055.92/54,058.08 = 13,865.16/x
  3. Step 3: Cross multiply
    36,055.92x = 54,058.08 × 13,865.16
  4. Step 4: Simplify right side
    36,055.92x = 749,523,928.49
  5. Step 5: Solve for x
    x = 749,523,928.49/36,055.92
  6. Step 6: Final answer
    x = 20,787.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.