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Finding the Fourth Proportional to 34,081.55, 51,082.28 and 15,339.64

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Solution

The fourth proportional to 34,081.55, 51,082.28 and 15,339.64 is: 22,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,081.55 : 51,082.28 = 15,339.64 : x
  2. Step 2: Convert to fraction form
    34,081.55/51,082.28 = 15,339.64/x
  3. Step 3: Cross multiply
    34,081.55x = 51,082.28 × 15,339.64
  4. Step 4: Simplify right side
    34,081.55x = 783,583,871.03
  5. Step 5: Solve for x
    x = 783,583,871.03/34,081.55
  6. Step 6: Final answer
    x = 22,991.44

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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.