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Finding the Fourth Proportional to 22,618.71, 33,927.80 and 13,323.42

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Solution

The fourth proportional to 22,618.71, 33,927.80 and 13,323.42 is: 19,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.71 : 33,927.80 = 13,323.42 : x
  2. Step 2: Convert to fraction form
    22,618.71/33,927.80 = 13,323.42/x
  3. Step 3: Cross multiply
    22,618.71x = 33,927.80 × 13,323.42
  4. Step 4: Simplify right side
    22,618.71x = 452,034,262.46
  5. Step 5: Solve for x
    x = 452,034,262.46/22,618.71
  6. Step 6: Final answer
    x = 19,984.97

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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.