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Finding the Fourth Proportional to 71,873.94, 107,808.48 and 21,952.02

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Solution

The fourth proportional to 71,873.94, 107,808.48 and 21,952.02 is: 32,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,873.94 : 107,808.48 = 21,952.02 : x
  2. Step 2: Convert to fraction form
    71,873.94/107,808.48 = 21,952.02/x
  3. Step 3: Cross multiply
    71,873.94x = 107,808.48 × 21,952.02
  4. Step 4: Simplify right side
    71,873.94x = 2,366,613,909.13
  5. Step 5: Solve for x
    x = 2,366,613,909.13/71,873.94
  6. Step 6: Final answer
    x = 32,927.29

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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.