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Finding the Fourth Proportional to 5,649.32, 7,799.92 and 3,525.68

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Solution

The fourth proportional to 5,649.32, 7,799.92 and 3,525.68 is: 4,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649.32 : 7,799.92 = 3,525.68 : x
  2. Step 2: Convert to fraction form
    5,649.32/7,799.92 = 3,525.68/x
  3. Step 3: Cross multiply
    5,649.32x = 7,799.92 × 3,525.68
  4. Step 4: Simplify right side
    5,649.32x = 27,500,021.95
  5. Step 5: Solve for x
    x = 27,500,021.95/5,649.32
  6. Step 6: Final answer
    x = 4,867.85

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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.