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Finding the Fourth Proportional to 7,803.94, 10,769.44 and 4,267.18

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Solution

The fourth proportional to 7,803.94, 10,769.44 and 4,267.18 is: 5,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803.94 : 10,769.44 = 4,267.18 : x
  2. Step 2: Convert to fraction form
    7,803.94/10,769.44 = 4,267.18/x
  3. Step 3: Cross multiply
    7,803.94x = 10,769.44 × 4,267.18
  4. Step 4: Simplify right side
    7,803.94x = 45,955,138.98
  5. Step 5: Solve for x
    x = 45,955,138.98/7,803.94
  6. Step 6: Final answer
    x = 5,888.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.