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Finding the Fourth Proportional to 7,799.75, 11,699.63 and 2,606.03

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Solution

The fourth proportional to 7,799.75, 11,699.63 and 2,606.03 is: 3,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,799.75 : 11,699.63 = 2,606.03 : x
  2. Step 2: Convert to fraction form
    7,799.75/11,699.63 = 2,606.03/x
  3. Step 3: Cross multiply
    7,799.75x = 11,699.63 × 2,606.03
  4. Step 4: Simplify right side
    7,799.75x = 30,489,586.77
  5. Step 5: Solve for x
    x = 30,489,586.77/7,799.75
  6. Step 6: Final answer
    x = 3,909.05

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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.