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Finding the Fourth Proportional to 39,596.80, 59,376.24 and 13,294.24

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Solution

The fourth proportional to 39,596.80, 59,376.24 and 13,294.24 is: 19,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,596.80 : 59,376.24 = 13,294.24 : x
  2. Step 2: Convert to fraction form
    39,596.80/59,376.24 = 13,294.24/x
  3. Step 3: Cross multiply
    39,596.80x = 59,376.24 × 13,294.24
  4. Step 4: Simplify right side
    39,596.80x = 789,361,984.86
  5. Step 5: Solve for x
    x = 789,361,984.86/39,596.80
  6. Step 6: Final answer
    x = 19,934.99

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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.