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Finding the Fourth Proportional to 3,670.92, 5,502.60 and 1,724.76

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Solution

The fourth proportional to 3,670.92, 5,502.60 and 1,724.76 is: 2,585.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670.92 : 5,502.60 = 1,724.76 : x
  2. Step 2: Convert to fraction form
    3,670.92/5,502.60 = 1,724.76/x
  3. Step 3: Cross multiply
    3,670.92x = 5,502.60 × 1,724.76
  4. Step 4: Simplify right side
    3,670.92x = 9,490,664.38
  5. Step 5: Solve for x
    x = 9,490,664.38/3,670.92
  6. Step 6: Final answer
    x = 2,585.36

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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.