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Finding the Fourth Proportional to 5,998.80, 8,272.04 and 5,162.34

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Solution

The fourth proportional to 5,998.80, 8,272.04 and 5,162.34 is: 7,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.80 : 8,272.04 = 5,162.34 : x
  2. Step 2: Convert to fraction form
    5,998.80/8,272.04 = 5,162.34/x
  3. Step 3: Cross multiply
    5,998.80x = 8,272.04 × 5,162.34
  4. Step 4: Simplify right side
    5,998.80x = 42,703,082.97
  5. Step 5: Solve for x
    x = 42,703,082.97/5,998.80
  6. Step 6: Final answer
    x = 7,118.60

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Half 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.