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Finding the Fourth Proportional to 33,716.20, 47,271.80 and 33,716.20

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Solution

The fourth proportional to 33,716.20, 47,271.80 and 33,716.20 is: 47,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,716.20 : 47,271.80 = 33,716.20 : x
  2. Step 2: Convert to fraction form
    33,716.20/47,271.80 = 33,716.20/x
  3. Step 3: Cross multiply
    33,716.20x = 47,271.80 × 33,716.20
  4. Step 4: Simplify right side
    33,716.20x = 1,593,825,463.16
  5. Step 5: Solve for x
    x = 1,593,825,463.16/33,716.20
  6. Step 6: Final answer
    x = 47,271.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.