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Finding the Fourth Proportional to 30,082.59, 45,115.57 and 16,739.19

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Solution

The fourth proportional to 30,082.59, 45,115.57 and 16,739.19 is: 25,104.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,082.59 : 45,115.57 = 16,739.19 : x
  2. Step 2: Convert to fraction form
    30,082.59/45,115.57 = 16,739.19/x
  3. Step 3: Cross multiply
    30,082.59x = 45,115.57 × 16,739.19
  4. Step 4: Simplify right side
    30,082.59x = 755,198,098.19
  5. Step 5: Solve for x
    x = 755,198,098.19/30,082.59
  6. Step 6: Final answer
    x = 25,104.16

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1.5x scale

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.