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Finding the Fourth Proportional to 1,747.77, 2,411.96 and 951.14

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Solution

The fourth proportional to 1,747.77, 2,411.96 and 951.14 is: 1,312.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747.77 : 2,411.96 = 951.14 : x
  2. Step 2: Convert to fraction form
    1,747.77/2,411.96 = 951.14/x
  3. Step 3: Cross multiply
    1,747.77x = 2,411.96 × 951.14
  4. Step 4: Simplify right side
    1,747.77x = 2,294,099.57
  5. Step 5: Solve for x
    x = 2,294,099.57/1,747.77
  6. Step 6: Final answer
    x = 1,312.59

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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.