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Finding the Fourth Proportional to 40,082.92, 60,129.84 and 16,703.89

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Solution

The fourth proportional to 40,082.92, 60,129.84 and 16,703.89 is: 25,058.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,082.92 : 60,129.84 = 16,703.89 : x
  2. Step 2: Convert to fraction form
    40,082.92/60,129.84 = 16,703.89/x
  3. Step 3: Cross multiply
    40,082.92x = 60,129.84 × 16,703.89
  4. Step 4: Simplify right side
    40,082.92x = 1,004,402,233.08
  5. Step 5: Solve for x
    x = 1,004,402,233.08/40,082.92
  6. Step 6: Final answer
    x = 25,058.11

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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.