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Finding the Fourth Proportional to 3,154.44, 4,354.47 and 1,975.26

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Solution

The fourth proportional to 3,154.44, 4,354.47 and 1,975.26 is: 2,726.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.44 : 4,354.47 = 1,975.26 : x
  2. Step 2: Convert to fraction form
    3,154.44/4,354.47 = 1,975.26/x
  3. Step 3: Cross multiply
    3,154.44x = 4,354.47 × 1,975.26
  4. Step 4: Simplify right side
    3,154.44x = 8,601,210.41
  5. Step 5: Solve for x
    x = 8,601,210.41/3,154.44
  6. Step 6: Final answer
    x = 2,726.70

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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.