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Finding the Fourth Proportional to 29,661.06, 40,932.05 and 16,232.06

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Solution

The fourth proportional to 29,661.06, 40,932.05 and 16,232.06 is: 22,400.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,661.06 : 40,932.05 = 16,232.06 : x
  2. Step 2: Convert to fraction form
    29,661.06/40,932.05 = 16,232.06/x
  3. Step 3: Cross multiply
    29,661.06x = 40,932.05 × 16,232.06
  4. Step 4: Simplify right side
    29,661.06x = 664,411,491.52
  5. Step 5: Solve for x
    x = 664,411,491.52/29,661.06
  6. Step 6: Final answer
    x = 22,400.13

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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.