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Finding the Fourth Proportional to 2,043.77, 3,065.96 and 744.94

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Solution

The fourth proportional to 2,043.77, 3,065.96 and 744.94 is: 1,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.77 : 3,065.96 = 744.94 : x
  2. Step 2: Convert to fraction form
    2,043.77/3,065.96 = 744.94/x
  3. Step 3: Cross multiply
    2,043.77x = 3,065.96 × 744.94
  4. Step 4: Simplify right side
    2,043.77x = 2,283,950.44
  5. Step 5: Solve for x
    x = 2,283,950.44/2,043.77
  6. Step 6: Final answer
    x = 1,117.52

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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.