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Finding the Fourth Proportional to 34,112.62, 47,062.36 and 21,360.52

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Solution

The fourth proportional to 34,112.62, 47,062.36 and 21,360.52 is: 29,469.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,112.62 : 47,062.36 = 21,360.52 : x
  2. Step 2: Convert to fraction form
    34,112.62/47,062.36 = 21,360.52/x
  3. Step 3: Cross multiply
    34,112.62x = 47,062.36 × 21,360.52
  4. Step 4: Simplify right side
    34,112.62x = 1,005,276,482.03
  5. Step 5: Solve for x
    x = 1,005,276,482.03/34,112.62
  6. Step 6: Final answer
    x = 29,469.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.