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Finding the Fourth Proportional to 3,677.60, 5,071.61 and 2,349

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Solution

The fourth proportional to 3,677.60, 5,071.61 and 2,349 is: 3,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.60 : 5,071.61 = 2,349 : x
  2. Step 2: Convert to fraction form
    3,677.60/5,071.61 = 2,349/x
  3. Step 3: Cross multiply
    3,677.60x = 5,071.61 × 2,349
  4. Step 4: Simplify right side
    3,677.60x = 11,913,217.76
  5. Step 5: Solve for x
    x = 11,913,217.76/3,677.60
  6. Step 6: Final answer
    x = 3,239.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.