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Finding the Fourth Proportional to 32,807.42, 49,218.94 and 10,620.80

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Solution

The fourth proportional to 32,807.42, 49,218.94 and 10,620.80 is: 15,933.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,807.42 : 49,218.94 = 10,620.80 : x
  2. Step 2: Convert to fraction form
    32,807.42/49,218.94 = 10,620.80/x
  3. Step 3: Cross multiply
    32,807.42x = 49,218.94 × 10,620.80
  4. Step 4: Simplify right side
    32,807.42x = 522,744,517.95
  5. Step 5: Solve for x
    x = 522,744,517.95/32,807.42
  6. Step 6: Final answer
    x = 15,933.73

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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.