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Finding the Fourth Proportional to 15,221.93, 22,843.01 and 5,361.19

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Solution

The fourth proportional to 15,221.93, 22,843.01 and 5,361.19 is: 8,045.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,221.93 : 22,843.01 = 5,361.19 : x
  2. Step 2: Convert to fraction form
    15,221.93/22,843.01 = 5,361.19/x
  3. Step 3: Cross multiply
    15,221.93x = 22,843.01 × 5,361.19
  4. Step 4: Simplify right side
    15,221.93x = 122,465,673.08
  5. Step 5: Solve for x
    x = 122,465,673.08/15,221.93
  6. Step 6: Final answer
    x = 8,045.35

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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.