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Finding the Fourth Proportional to 5,593.44, 7,719.12 and 4,193.76

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Solution

The fourth proportional to 5,593.44, 7,719.12 and 4,193.76 is: 5,787.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,593.44 : 7,719.12 = 4,193.76 : x
  2. Step 2: Convert to fraction form
    5,593.44/7,719.12 = 4,193.76/x
  3. Step 3: Cross multiply
    5,593.44x = 7,719.12 × 4,193.76
  4. Step 4: Simplify right side
    5,593.44x = 32,372,136.69
  5. Step 5: Solve for x
    x = 32,372,136.69/5,593.44
  6. Step 6: Final answer
    x = 5,787.52

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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.