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Finding the Fourth Proportional to 22,036.98, 30,410.13 and 11,965.03

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Solution

The fourth proportional to 22,036.98, 30,410.13 and 11,965.03 is: 16,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,036.98 : 30,410.13 = 11,965.03 : x
  2. Step 2: Convert to fraction form
    22,036.98/30,410.13 = 11,965.03/x
  3. Step 3: Cross multiply
    22,036.98x = 30,410.13 × 11,965.03
  4. Step 4: Simplify right side
    22,036.98x = 363,858,117.75
  5. Step 5: Solve for x
    x = 363,858,117.75/22,036.98
  6. Step 6: Final answer
    x = 16,511.25

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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.