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Finding the Fourth Proportional to 2,368.66, 3,552.99 and 725.23

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Solution

The fourth proportional to 2,368.66, 3,552.99 and 725.23 is: 1,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.66 : 3,552.99 = 725.23 : x
  2. Step 2: Convert to fraction form
    2,368.66/3,552.99 = 725.23/x
  3. Step 3: Cross multiply
    2,368.66x = 3,552.99 × 725.23
  4. Step 4: Simplify right side
    2,368.66x = 2,576,734.94
  5. Step 5: Solve for x
    x = 2,576,734.94/2,368.66
  6. Step 6: Final answer
    x = 1,087.85

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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.