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Finding the Fourth Proportional to 64,585.80, 96,885.77 and 21,922.04

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Solution

The fourth proportional to 64,585.80, 96,885.77 and 21,922.04 is: 32,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,585.80 : 96,885.77 = 21,922.04 : x
  2. Step 2: Convert to fraction form
    64,585.80/96,885.77 = 21,922.04/x
  3. Step 3: Cross multiply
    64,585.80x = 96,885.77 × 21,922.04
  4. Step 4: Simplify right side
    64,585.80x = 2,123,933,131.33
  5. Step 5: Solve for x
    x = 2,123,933,131.33/64,585.80
  6. Step 6: Final answer
    x = 32,885.45

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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.