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Finding the Fourth Proportional to 5,552.70, 8,329.04 and 2,776.58

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Solution

The fourth proportional to 5,552.70, 8,329.04 and 2,776.58 is: 4,164.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.70 : 8,329.04 = 2,776.58 : x
  2. Step 2: Convert to fraction form
    5,552.70/8,329.04 = 2,776.58/x
  3. Step 3: Cross multiply
    5,552.70x = 8,329.04 × 2,776.58
  4. Step 4: Simplify right side
    5,552.70x = 23,126,204.24
  5. Step 5: Solve for x
    x = 23,126,204.24/5,552.70
  6. Step 6: Final answer
    x = 4,164.86

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Half 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.