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Finding the Fourth Proportional to 5,600.84, 7,729.16 and 3,082.96

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Solution

The fourth proportional to 5,600.84, 7,729.16 and 3,082.96 is: 4,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.84 : 7,729.16 = 3,082.96 : x
  2. Step 2: Convert to fraction form
    5,600.84/7,729.16 = 3,082.96/x
  3. Step 3: Cross multiply
    5,600.84x = 7,729.16 × 3,082.96
  4. Step 4: Simplify right side
    5,600.84x = 23,828,691.11
  5. Step 5: Solve for x
    x = 23,828,691.11/5,600.84
  6. Step 6: Final answer
    x = 4,254.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.