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Finding the Fourth Proportional to 2,317.01, 3,473.43 and 855.80

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Solution

The fourth proportional to 2,317.01, 3,473.43 and 855.80 is: 1,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.01 : 3,473.43 = 855.80 : x
  2. Step 2: Convert to fraction form
    2,317.01/3,473.43 = 855.80/x
  3. Step 3: Cross multiply
    2,317.01x = 3,473.43 × 855.80
  4. Step 4: Simplify right side
    2,317.01x = 2,972,561.39
  5. Step 5: Solve for x
    x = 2,972,561.39/2,317.01
  6. Step 6: Final answer
    x = 1,282.93

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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.