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Finding the Fourth Proportional to 2,269.97, 3,133.08 and 1,326.22

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Solution

The fourth proportional to 2,269.97, 3,133.08 and 1,326.22 is: 1,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.97 : 3,133.08 = 1,326.22 : x
  2. Step 2: Convert to fraction form
    2,269.97/3,133.08 = 1,326.22/x
  3. Step 3: Cross multiply
    2,269.97x = 3,133.08 × 1,326.22
  4. Step 4: Simplify right side
    2,269.97x = 4,155,153.36
  5. Step 5: Solve for x
    x = 4,155,153.36/2,269.97
  6. Step 6: Final answer
    x = 1,830.49

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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.