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Finding the Fourth Proportional to 10,236.69, 15,355.03 and 5,648.85

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Solution

The fourth proportional to 10,236.69, 15,355.03 and 5,648.85 is: 8,473.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.69 : 15,355.03 = 5,648.85 : x
  2. Step 2: Convert to fraction form
    10,236.69/15,355.03 = 5,648.85/x
  3. Step 3: Cross multiply
    10,236.69x = 15,355.03 × 5,648.85
  4. Step 4: Simplify right side
    10,236.69x = 86,738,184.44
  5. Step 5: Solve for x
    x = 86,738,184.44/10,236.69
  6. Step 6: Final answer
    x = 8,473.27

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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.