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Finding the Fourth Proportional to 4,593.81, 6,890.72 and 1,474.14

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Solution

The fourth proportional to 4,593.81, 6,890.72 and 1,474.14 is: 2,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,593.81 : 6,890.72 = 1,474.14 : x
  2. Step 2: Convert to fraction form
    4,593.81/6,890.72 = 1,474.14/x
  3. Step 3: Cross multiply
    4,593.81x = 6,890.72 × 1,474.14
  4. Step 4: Simplify right side
    4,593.81x = 10,157,878.61
  5. Step 5: Solve for x
    x = 10,157,878.61/4,593.81
  6. Step 6: Final answer
    x = 2,211.21

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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.