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Finding the Fourth Proportional to 5,599.80, 8,399.70 and 5,444.28

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Solution

The fourth proportional to 5,599.80, 8,399.70 and 5,444.28 is: 8,166.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,599.80 : 8,399.70 = 5,444.28 : x
  2. Step 2: Convert to fraction form
    5,599.80/8,399.70 = 5,444.28/x
  3. Step 3: Cross multiply
    5,599.80x = 8,399.70 × 5,444.28
  4. Step 4: Simplify right side
    5,599.80x = 45,730,318.72
  5. Step 5: Solve for x
    x = 45,730,318.72/5,599.80
  6. Step 6: Final answer
    x = 8,166.42

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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.