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Finding the Fourth Proportional to 5,776.68, 8,665.94 and 2,659.76

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Solution

The fourth proportional to 5,776.68, 8,665.94 and 2,659.76 is: 3,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776.68 : 8,665.94 = 2,659.76 : x
  2. Step 2: Convert to fraction form
    5,776.68/8,665.94 = 2,659.76/x
  3. Step 3: Cross multiply
    5,776.68x = 8,665.94 × 2,659.76
  4. Step 4: Simplify right side
    5,776.68x = 23,049,263.95
  5. Step 5: Solve for x
    x = 23,049,263.95/5,776.68
  6. Step 6: Final answer
    x = 3,990.05

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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.