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Finding the Fourth Proportional to 5,070.62, 7,606.20 and 1,608.14

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Solution

The fourth proportional to 5,070.62, 7,606.20 and 1,608.14 is: 2,412.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,070.62 : 7,606.20 = 1,608.14 : x
  2. Step 2: Convert to fraction form
    5,070.62/7,606.20 = 1,608.14/x
  3. Step 3: Cross multiply
    5,070.62x = 7,606.20 × 1,608.14
  4. Step 4: Simplify right side
    5,070.62x = 12,231,834.47
  5. Step 5: Solve for x
    x = 12,231,834.47/5,070.62
  6. Step 6: Final answer
    x = 2,412.30

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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.