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Finding the Fourth Proportional to 6,082.40, 8,394.12 and 4,587.68

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Solution

The fourth proportional to 6,082.40, 8,394.12 and 4,587.68 is: 6,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,082.40 : 8,394.12 = 4,587.68 : x
  2. Step 2: Convert to fraction form
    6,082.40/8,394.12 = 4,587.68/x
  3. Step 3: Cross multiply
    6,082.40x = 8,394.12 × 4,587.68
  4. Step 4: Simplify right side
    6,082.40x = 38,509,536.44
  5. Step 5: Solve for x
    x = 38,509,536.44/6,082.40
  6. Step 6: Final answer
    x = 6,331.31

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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.