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Finding the Fourth Proportional to 6,262.76, 8,642.18 and 3,468.36

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Solution

The fourth proportional to 6,262.76, 8,642.18 and 3,468.36 is: 4,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.76 : 8,642.18 = 3,468.36 : x
  2. Step 2: Convert to fraction form
    6,262.76/8,642.18 = 3,468.36/x
  3. Step 3: Cross multiply
    6,262.76x = 8,642.18 × 3,468.36
  4. Step 4: Simplify right side
    6,262.76x = 29,974,191.42
  5. Step 5: Solve for x
    x = 29,974,191.42/6,262.76
  6. Step 6: Final answer
    x = 4,786.10

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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.