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Finding the Fourth Proportional to 4,490.55, 6,731.55 and 1,568.07

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Solution

The fourth proportional to 4,490.55, 6,731.55 and 1,568.07 is: 2,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,490.55 : 6,731.55 = 1,568.07 : x
  2. Step 2: Convert to fraction form
    4,490.55/6,731.55 = 1,568.07/x
  3. Step 3: Cross multiply
    4,490.55x = 6,731.55 × 1,568.07
  4. Step 4: Simplify right side
    4,490.55x = 10,555,541.61
  5. Step 5: Solve for x
    x = 10,555,541.61/4,490.55
  6. Step 6: Final answer
    x = 2,350.61

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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.