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Finding the Fourth Proportional to 8,607.99, 12,908.34 and 3,062.73

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Solution

The fourth proportional to 8,607.99, 12,908.34 and 3,062.73 is: 4,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.99 : 12,908.34 = 3,062.73 : x
  2. Step 2: Convert to fraction form
    8,607.99/12,908.34 = 3,062.73/x
  3. Step 3: Cross multiply
    8,607.99x = 12,908.34 × 3,062.73
  4. Step 4: Simplify right side
    8,607.99x = 39,534,760.17
  5. Step 5: Solve for x
    x = 39,534,760.17/8,607.99
  6. Step 6: Final answer
    x = 4,592.80

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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.