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Finding the Fourth Proportional to 29,237.06, 40,348.06 and 16,661

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Solution

The fourth proportional to 29,237.06, 40,348.06 and 16,661 is: 22,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,237.06 : 40,348.06 = 16,661 : x
  2. Step 2: Convert to fraction form
    29,237.06/40,348.06 = 16,661/x
  3. Step 3: Cross multiply
    29,237.06x = 40,348.06 × 16,661
  4. Step 4: Simplify right side
    29,237.06x = 672,239,027.66
  5. Step 5: Solve for x
    x = 672,239,027.66/29,237.06
  6. Step 6: Final answer
    x = 22,992.70

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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.