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Finding the Fourth Proportional to 2,750.15, 4,124.82 and 901.34

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Solution

The fourth proportional to 2,750.15, 4,124.82 and 901.34 is: 1,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.15 : 4,124.82 = 901.34 : x
  2. Step 2: Convert to fraction form
    2,750.15/4,124.82 = 901.34/x
  3. Step 3: Cross multiply
    2,750.15x = 4,124.82 × 901.34
  4. Step 4: Simplify right side
    2,750.15x = 3,717,844.63
  5. Step 5: Solve for x
    x = 3,717,844.63/2,750.15
  6. Step 6: Final answer
    x = 1,351.87

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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.