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Finding the Fourth Proportional to 7,698.33, 11,548.71 and 2,769.48

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Solution

The fourth proportional to 7,698.33, 11,548.71 and 2,769.48 is: 4,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.33 : 11,548.71 = 2,769.48 : x
  2. Step 2: Convert to fraction form
    7,698.33/11,548.71 = 2,769.48/x
  3. Step 3: Cross multiply
    7,698.33x = 11,548.71 × 2,769.48
  4. Step 4: Simplify right side
    7,698.33x = 31,983,921.37
  5. Step 5: Solve for x
    x = 31,983,921.37/7,698.33
  6. Step 6: Final answer
    x = 4,154.66

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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.