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Finding the Fourth Proportional to 1,696.09, 2,340.72 and 950.12

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Solution

The fourth proportional to 1,696.09, 2,340.72 and 950.12 is: 1,311.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.09 : 2,340.72 = 950.12 : x
  2. Step 2: Convert to fraction form
    1,696.09/2,340.72 = 950.12/x
  3. Step 3: Cross multiply
    1,696.09x = 2,340.72 × 950.12
  4. Step 4: Simplify right side
    1,696.09x = 2,223,953.18
  5. Step 5: Solve for x
    x = 2,223,953.18/1,696.09
  6. Step 6: Final answer
    x = 1,311.23

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1.5x scale

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.