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Finding the Fourth Proportional to 2,696.80, 4,044.90 and 941.47

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Solution

The fourth proportional to 2,696.80, 4,044.90 and 941.47 is: 1,412.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,696.80 : 4,044.90 = 941.47 : x
  2. Step 2: Convert to fraction form
    2,696.80/4,044.90 = 941.47/x
  3. Step 3: Cross multiply
    2,696.80x = 4,044.90 × 941.47
  4. Step 4: Simplify right side
    2,696.80x = 3,808,152.00
  5. Step 5: Solve for x
    x = 3,808,152.00/2,696.80
  6. Step 6: Final answer
    x = 1,412.10

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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.