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Finding the Fourth Proportional to 8,544.86, 12,823.01 and 2,998.23

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Solution

The fourth proportional to 8,544.86, 12,823.01 and 2,998.23 is: 4,499.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.86 : 12,823.01 = 2,998.23 : x
  2. Step 2: Convert to fraction form
    8,544.86/12,823.01 = 2,998.23/x
  3. Step 3: Cross multiply
    8,544.86x = 12,823.01 × 2,998.23
  4. Step 4: Simplify right side
    8,544.86x = 38,446,333.27
  5. Step 5: Solve for x
    x = 38,446,333.27/8,544.86
  6. Step 6: Final answer
    x = 4,499.35

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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.