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Finding the Fourth Proportional to 1,696.96, 2,341.60 and 950.87

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Solution

The fourth proportional to 1,696.96, 2,341.60 and 950.87 is: 1,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.96 : 2,341.60 = 950.87 : x
  2. Step 2: Convert to fraction form
    1,696.96/2,341.60 = 950.87/x
  3. Step 3: Cross multiply
    1,696.96x = 2,341.60 × 950.87
  4. Step 4: Simplify right side
    1,696.96x = 2,226,552.44
  5. Step 5: Solve for x
    x = 2,226,552.44/1,696.96
  6. Step 6: Final answer
    x = 1,312.09

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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.