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Finding the Fourth Proportional to 29,296.61, 43,960.41 and 15,979.22

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Solution

The fourth proportional to 29,296.61, 43,960.41 and 15,979.22 is: 23,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,296.61 : 43,960.41 = 15,979.22 : x
  2. Step 2: Convert to fraction form
    29,296.61/43,960.41 = 15,979.22/x
  3. Step 3: Cross multiply
    29,296.61x = 43,960.41 × 15,979.22
  4. Step 4: Simplify right side
    29,296.61x = 702,453,062.68
  5. Step 5: Solve for x
    x = 702,453,062.68/29,296.61
  6. Step 6: Final answer
    x = 23,977.28

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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.