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Finding the Fourth Proportional to 2,250.93, 3,376.12 and 690.87

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Solution

The fourth proportional to 2,250.93, 3,376.12 and 690.87 is: 1,036.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.93 : 3,376.12 = 690.87 : x
  2. Step 2: Convert to fraction form
    2,250.93/3,376.12 = 690.87/x
  3. Step 3: Cross multiply
    2,250.93x = 3,376.12 × 690.87
  4. Step 4: Simplify right side
    2,250.93x = 2,332,460.02
  5. Step 5: Solve for x
    x = 2,332,460.02/2,250.93
  6. Step 6: Final answer
    x = 1,036.22

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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.