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Finding the Fourth Proportional to 3,349.59, 5,024.79 and 1,617

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Solution

The fourth proportional to 3,349.59, 5,024.79 and 1,617 is: 2,425.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,349.59 : 5,024.79 = 1,617 : x
  2. Step 2: Convert to fraction form
    3,349.59/5,024.79 = 1,617/x
  3. Step 3: Cross multiply
    3,349.59x = 5,024.79 × 1,617
  4. Step 4: Simplify right side
    3,349.59x = 8,125,085.43
  5. Step 5: Solve for x
    x = 8,125,085.43/3,349.59
  6. Step 6: Final answer
    x = 2,425.70

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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.