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Finding the Fourth Proportional to 3,718.36, 5,579.36 and 1,497.10

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Solution

The fourth proportional to 3,718.36, 5,579.36 and 1,497.10 is: 2,246.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.36 : 5,579.36 = 1,497.10 : x
  2. Step 2: Convert to fraction form
    3,718.36/5,579.36 = 1,497.10/x
  3. Step 3: Cross multiply
    3,718.36x = 5,579.36 × 1,497.10
  4. Step 4: Simplify right side
    3,718.36x = 8,352,859.86
  5. Step 5: Solve for x
    x = 8,352,859.86/3,718.36
  6. Step 6: Final answer
    x = 2,246.38

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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.