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Finding the Fourth Proportional to 22,044.84, 30,447.54 and 18,472.74

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Solution

The fourth proportional to 22,044.84, 30,447.54 and 18,472.74 is: 25,513.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,044.84 : 30,447.54 = 18,472.74 : x
  2. Step 2: Convert to fraction form
    22,044.84/30,447.54 = 18,472.74/x
  3. Step 3: Cross multiply
    22,044.84x = 30,447.54 × 18,472.74
  4. Step 4: Simplify right side
    22,044.84x = 562,449,490.06
  5. Step 5: Solve for x
    x = 562,449,490.06/22,044.84
  6. Step 6: Final answer
    x = 25,513.88

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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.