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Finding the Fourth Proportional to 2,043.76, 3,066.09 and 745.23

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Solution

The fourth proportional to 2,043.76, 3,066.09 and 745.23 is: 1,118.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,043.76 : 3,066.09 = 745.23 : x
  2. Step 2: Convert to fraction form
    2,043.76/3,066.09 = 745.23/x
  3. Step 3: Cross multiply
    2,043.76x = 3,066.09 × 745.23
  4. Step 4: Simplify right side
    2,043.76x = 2,284,926.92
  5. Step 5: Solve for x
    x = 2,284,926.92/2,043.76
  6. Step 6: Final answer
    x = 1,118.00

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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.