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Finding the Fourth Proportional to 2,373.97, 3,561.30 and 730.66

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Solution

The fourth proportional to 2,373.97, 3,561.30 and 730.66 is: 1,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,373.97 : 3,561.30 = 730.66 : x
  2. Step 2: Convert to fraction form
    2,373.97/3,561.30 = 730.66/x
  3. Step 3: Cross multiply
    2,373.97x = 3,561.30 × 730.66
  4. Step 4: Simplify right side
    2,373.97x = 2,602,099.46
  5. Step 5: Solve for x
    x = 2,602,099.46/2,373.97
  6. Step 6: Final answer
    x = 1,096.10

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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.