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Finding the Fourth Proportional to 1,696.51, 2,341.12 and 950.47

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Solution

The fourth proportional to 1,696.51, 2,341.12 and 950.47 is: 1,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.51 : 2,341.12 = 950.47 : x
  2. Step 2: Convert to fraction form
    1,696.51/2,341.12 = 950.47/x
  3. Step 3: Cross multiply
    1,696.51x = 2,341.12 × 950.47
  4. Step 4: Simplify right side
    1,696.51x = 2,225,157.88
  5. Step 5: Solve for x
    x = 2,225,157.88/1,696.51
  6. Step 6: Final answer
    x = 1,311.61

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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.