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Finding the Fourth Proportional to 5,503.97, 8,254.29 and 1,993.55

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Solution

The fourth proportional to 5,503.97, 8,254.29 and 1,993.55 is: 2,989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.97 : 8,254.29 = 1,993.55 : x
  2. Step 2: Convert to fraction form
    5,503.97/8,254.29 = 1,993.55/x
  3. Step 3: Cross multiply
    5,503.97x = 8,254.29 × 1,993.55
  4. Step 4: Simplify right side
    5,503.97x = 16,455,339.83
  5. Step 5: Solve for x
    x = 16,455,339.83/5,503.97
  6. Step 6: Final answer
    x = 2,989.72

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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.