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Finding the Fourth Proportional to 2,370, 3,552.61 and 984.11

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Solution

The fourth proportional to 2,370, 3,552.61 and 984.11 is: 1,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370 : 3,552.61 = 984.11 : x
  2. Step 2: Convert to fraction form
    2,370/3,552.61 = 984.11/x
  3. Step 3: Cross multiply
    2,370x = 3,552.61 × 984.11
  4. Step 4: Simplify right side
    2,370x = 3,496,138.80
  5. Step 5: Solve for x
    x = 3,496,138.80/2,370
  6. Step 6: Final answer
    x = 1,475.16

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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.