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Finding the Fourth Proportional to 33,927.80, 50,891.70 and 9,303.80

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Solution

The fourth proportional to 33,927.80, 50,891.70 and 9,303.80 is: 13,955.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,927.80 : 50,891.70 = 9,303.80 : x
  2. Step 2: Convert to fraction form
    33,927.80/50,891.70 = 9,303.80/x
  3. Step 3: Cross multiply
    33,927.80x = 50,891.70 × 9,303.80
  4. Step 4: Simplify right side
    33,927.80x = 473,486,198.46
  5. Step 5: Solve for x
    x = 473,486,198.46/33,927.80
  6. Step 6: Final answer
    x = 13,955.70

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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.