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Finding the Fourth Proportional to 39,672.52, 59,452.84 and 21,911.19

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Solution

The fourth proportional to 39,672.52, 59,452.84 and 21,911.19 is: 32,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,672.52 : 59,452.84 = 21,911.19 : x
  2. Step 2: Convert to fraction form
    39,672.52/59,452.84 = 21,911.19/x
  3. Step 3: Cross multiply
    39,672.52x = 59,452.84 × 21,911.19
  4. Step 4: Simplify right side
    39,672.52x = 1,302,682,473.28
  5. Step 5: Solve for x
    x = 1,302,682,473.28/39,672.52
  6. Step 6: Final answer
    x = 32,835.89

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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.