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Finding the Fourth Proportional to 22,473, 33,538.62 and 19,981.95

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Solution

The fourth proportional to 22,473, 33,538.62 and 19,981.95 is: 29,820.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,473 : 33,538.62 = 19,981.95 : x
  2. Step 2: Convert to fraction form
    22,473/33,538.62 = 19,981.95/x
  3. Step 3: Cross multiply
    22,473x = 33,538.62 × 19,981.95
  4. Step 4: Simplify right side
    22,473x = 670,167,027.91
  5. Step 5: Solve for x
    x = 670,167,027.91/22,473
  6. Step 6: Final answer
    x = 29,820.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.