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Finding the Fourth Proportional to 6,238.24, 8,607.84 and 4,002.16

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Solution

The fourth proportional to 6,238.24, 8,607.84 and 4,002.16 is: 5,522.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,238.24 : 8,607.84 = 4,002.16 : x
  2. Step 2: Convert to fraction form
    6,238.24/8,607.84 = 4,002.16/x
  3. Step 3: Cross multiply
    6,238.24x = 8,607.84 × 4,002.16
  4. Step 4: Simplify right side
    6,238.24x = 34,449,952.93
  5. Step 5: Solve for x
    x = 34,449,952.93/6,238.24
  6. Step 6: Final answer
    x = 5,522.38

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Half scale
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Double scale
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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.