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Finding the Fourth Proportional to 7,739.04, 11,604.96 and 2,808.48

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Solution

The fourth proportional to 7,739.04, 11,604.96 and 2,808.48 is: 4,211.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.04 : 11,604.96 = 2,808.48 : x
  2. Step 2: Convert to fraction form
    7,739.04/11,604.96 = 2,808.48/x
  3. Step 3: Cross multiply
    7,739.04x = 11,604.96 × 2,808.48
  4. Step 4: Simplify right side
    7,739.04x = 32,592,298.06
  5. Step 5: Solve for x
    x = 32,592,298.06/7,739.04
  6. Step 6: Final answer
    x = 4,211.41

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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.