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Finding the Fourth Proportional to 8,998.47, 13,497.70 and 4,832.74

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Solution

The fourth proportional to 8,998.47, 13,497.70 and 4,832.74 is: 7,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.47 : 13,497.70 = 4,832.74 : x
  2. Step 2: Convert to fraction form
    8,998.47/13,497.70 = 4,832.74/x
  3. Step 3: Cross multiply
    8,998.47x = 13,497.70 × 4,832.74
  4. Step 4: Simplify right side
    8,998.47x = 65,230,850.53
  5. Step 5: Solve for x
    x = 65,230,850.53/8,998.47
  6. Step 6: Final answer
    x = 7,249.11

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.