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Finding the Fourth Proportional to 1,696.85, 2,341.52 and 950.79

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Solution

The fourth proportional to 1,696.85, 2,341.52 and 950.79 is: 1,312.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.85 : 2,341.52 = 950.79 : x
  2. Step 2: Convert to fraction form
    1,696.85/2,341.52 = 950.79/x
  3. Step 3: Cross multiply
    1,696.85x = 2,341.52 × 950.79
  4. Step 4: Simplify right side
    1,696.85x = 2,226,293.80
  5. Step 5: Solve for x
    x = 2,226,293.80/1,696.85
  6. Step 6: Final answer
    x = 1,312.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.