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Finding the Fourth Proportional to 8,492.43, 11,716.34 and 6,259.65

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Solution

The fourth proportional to 8,492.43, 11,716.34 and 6,259.65 is: 8,635.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.43 : 11,716.34 = 6,259.65 : x
  2. Step 2: Convert to fraction form
    8,492.43/11,716.34 = 6,259.65/x
  3. Step 3: Cross multiply
    8,492.43x = 11,716.34 × 6,259.65
  4. Step 4: Simplify right side
    8,492.43x = 73,340,187.68
  5. Step 5: Solve for x
    x = 73,340,187.68/8,492.43
  6. Step 6: Final answer
    x = 8,635.95

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Half scale
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Double scale
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Similar ratio
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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.