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Finding the Fourth Proportional to 3,494.43, 4,822.27 and 1,901.07

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Solution

The fourth proportional to 3,494.43, 4,822.27 and 1,901.07 is: 2,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,494.43 : 4,822.27 = 1,901.07 : x
  2. Step 2: Convert to fraction form
    3,494.43/4,822.27 = 1,901.07/x
  3. Step 3: Cross multiply
    3,494.43x = 4,822.27 × 1,901.07
  4. Step 4: Simplify right side
    3,494.43x = 9,167,468.08
  5. Step 5: Solve for x
    x = 9,167,468.08/3,494.43
  6. Step 6: Final answer
    x = 2,623.45

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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.