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Finding the Fourth Proportional to 2,545.12, 3,817.35 and 901.48

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Solution

The fourth proportional to 2,545.12, 3,817.35 and 901.48 is: 1,352.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545.12 : 3,817.35 = 901.48 : x
  2. Step 2: Convert to fraction form
    2,545.12/3,817.35 = 901.48/x
  3. Step 3: Cross multiply
    2,545.12x = 3,817.35 × 901.48
  4. Step 4: Simplify right side
    2,545.12x = 3,441,264.68
  5. Step 5: Solve for x
    x = 3,441,264.68/2,545.12
  6. Step 6: Final answer
    x = 1,352.10

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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.