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Finding the Fourth Proportional to 11,153.52, 16,726.36 and 3,253.92

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Solution

The fourth proportional to 11,153.52, 16,726.36 and 3,253.92 is: 4,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,153.52 : 16,726.36 = 3,253.92 : x
  2. Step 2: Convert to fraction form
    11,153.52/16,726.36 = 3,253.92/x
  3. Step 3: Cross multiply
    11,153.52x = 16,726.36 × 3,253.92
  4. Step 4: Simplify right side
    11,153.52x = 54,426,237.33
  5. Step 5: Solve for x
    x = 54,426,237.33/11,153.52
  6. Step 6: Final answer
    x = 4,879.74

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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.