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Finding the Fourth Proportional to 39,822.80, 59,647.80 and 32,910.80

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Solution

The fourth proportional to 39,822.80, 59,647.80 and 32,910.80 is: 49,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,822.80 : 59,647.80 = 32,910.80 : x
  2. Step 2: Convert to fraction form
    39,822.80/59,647.80 = 32,910.80/x
  3. Step 3: Cross multiply
    39,822.80x = 59,647.80 × 32,910.80
  4. Step 4: Simplify right side
    39,822.80x = 1,963,056,816.24
  5. Step 5: Solve for x
    x = 1,963,056,816.24/39,822.80
  6. Step 6: Final answer
    x = 49,294.80

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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.