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Finding the Fourth Proportional to 1,696.35, 2,340.77 and 950.19

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Solution

The fourth proportional to 1,696.35, 2,340.77 and 950.19 is: 1,311.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696.35 : 2,340.77 = 950.19 : x
  2. Step 2: Convert to fraction form
    1,696.35/2,340.77 = 950.19/x
  3. Step 3: Cross multiply
    1,696.35x = 2,340.77 × 950.19
  4. Step 4: Simplify right side
    1,696.35x = 2,224,176.25
  5. Step 5: Solve for x
    x = 2,224,176.25/1,696.35
  6. Step 6: Final answer
    x = 1,311.15

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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.