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Finding the Fourth Proportional to 8,251.84, 11,387.55 and 4,525.84

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Solution

The fourth proportional to 8,251.84, 11,387.55 and 4,525.84 is: 6,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.84 : 11,387.55 = 4,525.84 : x
  2. Step 2: Convert to fraction form
    8,251.84/11,387.55 = 4,525.84/x
  3. Step 3: Cross multiply
    8,251.84x = 11,387.55 × 4,525.84
  4. Step 4: Simplify right side
    8,251.84x = 51,538,229.29
  5. Step 5: Solve for x
    x = 51,538,229.29/8,251.84
  6. Step 6: Final answer
    x = 6,245.67

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.