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Finding the Fourth Proportional to 5,360.57, 7,400.43 and 4,037.43

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Solution

The fourth proportional to 5,360.57, 7,400.43 and 4,037.43 is: 5,573.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.57 : 7,400.43 = 4,037.43 : x
  2. Step 2: Convert to fraction form
    5,360.57/7,400.43 = 4,037.43/x
  3. Step 3: Cross multiply
    5,360.57x = 7,400.43 × 4,037.43
  4. Step 4: Simplify right side
    5,360.57x = 29,878,718.09
  5. Step 5: Solve for x
    x = 29,878,718.09/5,360.57
  6. Step 6: Final answer
    x = 5,573.79

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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.