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Finding the Fourth Proportional to 5,728.75, 8,593.13 and 1,624.75

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Solution

The fourth proportional to 5,728.75, 8,593.13 and 1,624.75 is: 2,437.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.75 : 8,593.13 = 1,624.75 : x
  2. Step 2: Convert to fraction form
    5,728.75/8,593.13 = 1,624.75/x
  3. Step 3: Cross multiply
    5,728.75x = 8,593.13 × 1,624.75
  4. Step 4: Simplify right side
    5,728.75x = 13,961,679.84
  5. Step 5: Solve for x
    x = 13,961,679.84/5,728.75
  6. Step 6: Final answer
    x = 2,437.13

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Half 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.