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Finding the Fourth Proportional to 17,998.92, 24,841.44 and 11,290.32

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Solution

The fourth proportional to 17,998.92, 24,841.44 and 11,290.32 is: 15,582.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.92 : 24,841.44 = 11,290.32 : x
  2. Step 2: Convert to fraction form
    17,998.92/24,841.44 = 11,290.32/x
  3. Step 3: Cross multiply
    17,998.92x = 24,841.44 × 11,290.32
  4. Step 4: Simplify right side
    17,998.92x = 280,467,806.86
  5. Step 5: Solve for x
    x = 280,467,806.86/17,998.92
  6. Step 6: Final answer
    x = 15,582.48

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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.