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Finding the Fourth Proportional to 55,703.43, 83,579.72 and 22,488.30

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Solution

The fourth proportional to 55,703.43, 83,579.72 and 22,488.30 is: 33,742.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,703.43 : 83,579.72 = 22,488.30 : x
  2. Step 2: Convert to fraction form
    55,703.43/83,579.72 = 22,488.30/x
  3. Step 3: Cross multiply
    55,703.43x = 83,579.72 × 22,488.30
  4. Step 4: Simplify right side
    55,703.43x = 1,879,565,704.83
  5. Step 5: Solve for x
    x = 1,879,565,704.83/55,703.43
  6. Step 6: Final answer
    x = 33,742.37

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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.