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Finding the Fourth Proportional to 2,348.74, 3,523.05 and 617.38

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Solution

The fourth proportional to 2,348.74, 3,523.05 and 617.38 is: 926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.74 : 3,523.05 = 617.38 : x
  2. Step 2: Convert to fraction form
    2,348.74/3,523.05 = 617.38/x
  3. Step 3: Cross multiply
    2,348.74x = 3,523.05 × 617.38
  4. Step 4: Simplify right side
    2,348.74x = 2,175,060.61
  5. Step 5: Solve for x
    x = 2,175,060.61/2,348.74
  6. Step 6: Final answer
    x = 926.05

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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.