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Finding the Fourth Proportional to 2,701.84, 4,053.45 and 754.05

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Solution

The fourth proportional to 2,701.84, 4,053.45 and 754.05 is: 1,131.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.84 : 4,053.45 = 754.05 : x
  2. Step 2: Convert to fraction form
    2,701.84/4,053.45 = 754.05/x
  3. Step 3: Cross multiply
    2,701.84x = 4,053.45 × 754.05
  4. Step 4: Simplify right side
    2,701.84x = 3,056,503.97
  5. Step 5: Solve for x
    x = 3,056,503.97/2,701.84
  6. Step 6: Final answer
    x = 1,131.27

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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.