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Finding the Fourth Proportional to 29,106.91, 43,619.01 and 22,418.11

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Solution

The fourth proportional to 29,106.91, 43,619.01 and 22,418.11 is: 33,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,106.91 : 43,619.01 = 22,418.11 : x
  2. Step 2: Convert to fraction form
    29,106.91/43,619.01 = 22,418.11/x
  3. Step 3: Cross multiply
    29,106.91x = 43,619.01 × 22,418.11
  4. Step 4: Simplify right side
    29,106.91x = 977,855,678.52
  5. Step 5: Solve for x
    x = 977,855,678.52/29,106.91
  6. Step 6: Final answer
    x = 33,595.31

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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.