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Finding the Fourth Proportional to 5,777.66, 8,666.45 and 3,002.90

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Solution

The fourth proportional to 5,777.66, 8,666.45 and 3,002.90 is: 4,504.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.66 : 8,666.45 = 3,002.90 : x
  2. Step 2: Convert to fraction form
    5,777.66/8,666.45 = 3,002.90/x
  3. Step 3: Cross multiply
    5,777.66x = 8,666.45 × 3,002.90
  4. Step 4: Simplify right side
    5,777.66x = 26,024,467.69
  5. Step 5: Solve for x
    x = 26,024,467.69/5,777.66
  6. Step 6: Final answer
    x = 4,504.33

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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.