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Finding the Fourth Proportional to 2,943.04, 4,414.53 and 751.94

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Solution

The fourth proportional to 2,943.04, 4,414.53 and 751.94 is: 1,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.04 : 4,414.53 = 751.94 : x
  2. Step 2: Convert to fraction form
    2,943.04/4,414.53 = 751.94/x
  3. Step 3: Cross multiply
    2,943.04x = 4,414.53 × 751.94
  4. Step 4: Simplify right side
    2,943.04x = 3,319,461.69
  5. Step 5: Solve for x
    x = 3,319,461.69/2,943.04
  6. Step 6: Final answer
    x = 1,127.90

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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.