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Finding the Fourth Proportional to 2,237.73, 3,358.49 and 922.20

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Solution

The fourth proportional to 2,237.73, 3,358.49 and 922.20 is: 1,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.73 : 3,358.49 = 922.20 : x
  2. Step 2: Convert to fraction form
    2,237.73/3,358.49 = 922.20/x
  3. Step 3: Cross multiply
    2,237.73x = 3,358.49 × 922.20
  4. Step 4: Simplify right side
    2,237.73x = 3,097,199.48
  5. Step 5: Solve for x
    x = 3,097,199.48/2,237.73
  6. Step 6: Final answer
    x = 1,384.08

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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.