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Finding the Fourth Proportional to 22,133.50, 30,514.88 and 17,879.78

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Solution

The fourth proportional to 22,133.50, 30,514.88 and 17,879.78 is: 24,650.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,133.50 : 30,514.88 = 17,879.78 : x
  2. Step 2: Convert to fraction form
    22,133.50/30,514.88 = 17,879.78/x
  3. Step 3: Cross multiply
    22,133.50x = 30,514.88 × 17,879.78
  4. Step 4: Simplify right side
    22,133.50x = 545,599,341.13
  5. Step 5: Solve for x
    x = 545,599,341.13/22,133.50
  6. Step 6: Final answer
    x = 24,650.39

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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.