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Finding the Fourth Proportional to 22,367.52, 33,514.80 and 13,605.12

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Solution

The fourth proportional to 22,367.52, 33,514.80 and 13,605.12 is: 20,385.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,367.52 : 33,514.80 = 13,605.12 : x
  2. Step 2: Convert to fraction form
    22,367.52/33,514.80 = 13,605.12/x
  3. Step 3: Cross multiply
    22,367.52x = 33,514.80 × 13,605.12
  4. Step 4: Simplify right side
    22,367.52x = 455,972,875.78
  5. Step 5: Solve for x
    x = 455,972,875.78/22,367.52
  6. Step 6: Final answer
    x = 20,385.49

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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.