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Finding the Fourth Proportional to 5,605.44, 7,738.11 and 3,247.11

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Solution

The fourth proportional to 5,605.44, 7,738.11 and 3,247.11 is: 4,482.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,605.44 : 7,738.11 = 3,247.11 : x
  2. Step 2: Convert to fraction form
    5,605.44/7,738.11 = 3,247.11/x
  3. Step 3: Cross multiply
    5,605.44x = 7,738.11 × 3,247.11
  4. Step 4: Simplify right side
    5,605.44x = 25,126,494.36
  5. Step 5: Solve for x
    x = 25,126,494.36/5,605.44
  6. Step 6: Final answer
    x = 4,482.52

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Half scale
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Double scale
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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.