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Finding the Fourth Proportional to 22,472.80, 33,642.64 and 16,655.52

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Solution

The fourth proportional to 22,472.80, 33,642.64 and 16,655.52 is: 24,933.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,472.80 : 33,642.64 = 16,655.52 : x
  2. Step 2: Convert to fraction form
    22,472.80/33,642.64 = 16,655.52/x
  3. Step 3: Cross multiply
    22,472.80x = 33,642.64 × 16,655.52
  4. Step 4: Simplify right side
    22,472.80x = 560,335,663.37
  5. Step 5: Solve for x
    x = 560,335,663.37/22,472.80
  6. Step 6: Final answer
    x = 24,933.95

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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.