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Finding the Fourth Proportional to 1,706.72, 2,561.14 and 927.24

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Solution

The fourth proportional to 1,706.72, 2,561.14 and 927.24 is: 1,391.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,706.72 : 2,561.14 = 927.24 : x
  2. Step 2: Convert to fraction form
    1,706.72/2,561.14 = 927.24/x
  3. Step 3: Cross multiply
    1,706.72x = 2,561.14 × 927.24
  4. Step 4: Simplify right side
    1,706.72x = 2,374,791.45
  5. Step 5: Solve for x
    x = 2,374,791.45/1,706.72
  6. Step 6: Final answer
    x = 1,391.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.