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Finding the Fourth Proportional to 22,693.51, 33,974.52 and 18,953.74

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Solution

The fourth proportional to 22,693.51, 33,974.52 and 18,953.74 is: 28,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,693.51 : 33,974.52 = 18,953.74 : x
  2. Step 2: Convert to fraction form
    22,693.51/33,974.52 = 18,953.74/x
  3. Step 3: Cross multiply
    22,693.51x = 33,974.52 × 18,953.74
  4. Step 4: Simplify right side
    22,693.51x = 643,944,218.70
  5. Step 5: Solve for x
    x = 643,944,218.70/22,693.51
  6. Step 6: Final answer
    x = 28,375.70

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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.