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Finding the Fourth Proportional to 6,061.70, 8,369.28 and 4,642.88

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Solution

The fourth proportional to 6,061.70, 8,369.28 and 4,642.88 is: 6,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,061.70 : 8,369.28 = 4,642.88 : x
  2. Step 2: Convert to fraction form
    6,061.70/8,369.28 = 4,642.88/x
  3. Step 3: Cross multiply
    6,061.70x = 8,369.28 × 4,642.88
  4. Step 4: Simplify right side
    6,061.70x = 38,857,520.88
  5. Step 5: Solve for x
    x = 38,857,520.88/6,061.70
  6. Step 6: Final answer
    x = 6,410.33

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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.