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Finding the Fourth Proportional to 1,736.77, 2,396.71 and 950.81

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Solution

The fourth proportional to 1,736.77, 2,396.71 and 950.81 is: 1,312.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.77 : 2,396.71 = 950.81 : x
  2. Step 2: Convert to fraction form
    1,736.77/2,396.71 = 950.81/x
  3. Step 3: Cross multiply
    1,736.77x = 2,396.71 × 950.81
  4. Step 4: Simplify right side
    1,736.77x = 2,278,827.94
  5. Step 5: Solve for x
    x = 2,278,827.94/1,736.77
  6. Step 6: Final answer
    x = 1,312.11

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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.