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Finding the Fourth Proportional to 2,374.84, 3,563.04 and 731.40

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Solution

The fourth proportional to 2,374.84, 3,563.04 and 731.40 is: 1,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,374.84 : 3,563.04 = 731.40 : x
  2. Step 2: Convert to fraction form
    2,374.84/3,563.04 = 731.40/x
  3. Step 3: Cross multiply
    2,374.84x = 3,563.04 × 731.40
  4. Step 4: Simplify right side
    2,374.84x = 2,606,007.46
  5. Step 5: Solve for x
    x = 2,606,007.46/2,374.84
  6. Step 6: Final answer
    x = 1,097.34

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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.