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Finding the Fourth Proportional to 5,373.42, 8,060.14 and 1,478.14

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Solution

The fourth proportional to 5,373.42, 8,060.14 and 1,478.14 is: 2,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,373.42 : 8,060.14 = 1,478.14 : x
  2. Step 2: Convert to fraction form
    5,373.42/8,060.14 = 1,478.14/x
  3. Step 3: Cross multiply
    5,373.42x = 8,060.14 × 1,478.14
  4. Step 4: Simplify right side
    5,373.42x = 11,914,015.34
  5. Step 5: Solve for x
    x = 11,914,015.34/5,373.42
  6. Step 6: Final answer
    x = 2,217.21

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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.