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Finding the Fourth Proportional to 16,468.21, 22,726.47 and 9,299.61

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Solution

The fourth proportional to 16,468.21, 22,726.47 and 9,299.61 is: 12,833.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,468.21 : 22,726.47 = 9,299.61 : x
  2. Step 2: Convert to fraction form
    16,468.21/22,726.47 = 9,299.61/x
  3. Step 3: Cross multiply
    16,468.21x = 22,726.47 × 9,299.61
  4. Step 4: Simplify right side
    16,468.21x = 211,347,342.55
  5. Step 5: Solve for x
    x = 211,347,342.55/16,468.21
  6. Step 6: Final answer
    x = 12,833.66

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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.