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Finding the Fourth Proportional to 1,608.38, 2,407.08 and 1,348.67

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Solution

The fourth proportional to 1,608.38, 2,407.08 and 1,348.67 is: 2,018.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608.38 : 2,407.08 = 1,348.67 : x
  2. Step 2: Convert to fraction form
    1,608.38/2,407.08 = 1,348.67/x
  3. Step 3: Cross multiply
    1,608.38x = 2,407.08 × 1,348.67
  4. Step 4: Simplify right side
    1,608.38x = 3,246,344.55
  5. Step 5: Solve for x
    x = 3,246,344.55/1,608.38
  6. Step 6: Final answer
    x = 2,018.40

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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.