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Finding the Fourth Proportional to 22,687.23, 33,984.02 and 13,298.74

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Solution

The fourth proportional to 22,687.23, 33,984.02 and 13,298.74 is: 19,920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,687.23 : 33,984.02 = 13,298.74 : x
  2. Step 2: Convert to fraction form
    22,687.23/33,984.02 = 13,298.74/x
  3. Step 3: Cross multiply
    22,687.23x = 33,984.02 × 13,298.74
  4. Step 4: Simplify right side
    22,687.23x = 451,944,646.13
  5. Step 5: Solve for x
    x = 451,944,646.13/22,687.23
  6. Step 6: Final answer
    x = 19,920.66

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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.