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Finding the Fourth Proportional to 2,324.93, 3,485.70 and 1,091.70

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Solution

The fourth proportional to 2,324.93, 3,485.70 and 1,091.70 is: 1,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,324.93 : 3,485.70 = 1,091.70 : x
  2. Step 2: Convert to fraction form
    2,324.93/3,485.70 = 1,091.70/x
  3. Step 3: Cross multiply
    2,324.93x = 3,485.70 × 1,091.70
  4. Step 4: Simplify right side
    2,324.93x = 3,805,338.69
  5. Step 5: Solve for x
    x = 3,805,338.69/2,324.93
  6. Step 6: Final answer
    x = 1,636.76

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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.