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Finding the Fourth Proportional to 9,799.72, 14,674.95 and 7,609.97

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Solution

The fourth proportional to 9,799.72, 14,674.95 and 7,609.97 is: 11,395.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,799.72 : 14,674.95 = 7,609.97 : x
  2. Step 2: Convert to fraction form
    9,799.72/14,674.95 = 7,609.97/x
  3. Step 3: Cross multiply
    9,799.72x = 14,674.95 × 7,609.97
  4. Step 4: Simplify right side
    9,799.72x = 111,675,965.94
  5. Step 5: Solve for x
    x = 111,675,965.94/9,799.72
  6. Step 6: Final answer
    x = 11,395.84

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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.