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Finding the Fourth Proportional to 4,809.11, 7,212.65 and 1,846.60

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Solution

The fourth proportional to 4,809.11, 7,212.65 and 1,846.60 is: 2,769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,809.11 : 7,212.65 = 1,846.60 : x
  2. Step 2: Convert to fraction form
    4,809.11/7,212.65 = 1,846.60/x
  3. Step 3: Cross multiply
    4,809.11x = 7,212.65 × 1,846.60
  4. Step 4: Simplify right side
    4,809.11x = 13,318,852.23
  5. Step 5: Solve for x
    x = 13,318,852.23/4,809.11
  6. Step 6: Final answer
    x = 2,769.51

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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.