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Finding the Fourth Proportional to 8,771.99, 13,167.84 and 3,510.71

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Solution

The fourth proportional to 8,771.99, 13,167.84 and 3,510.71 is: 5,270.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,771.99 : 13,167.84 = 3,510.71 : x
  2. Step 2: Convert to fraction form
    8,771.99/13,167.84 = 3,510.71/x
  3. Step 3: Cross multiply
    8,771.99x = 13,167.84 × 3,510.71
  4. Step 4: Simplify right side
    8,771.99x = 46,228,401.73
  5. Step 5: Solve for x
    x = 46,228,401.73/8,771.99
  6. Step 6: Final answer
    x = 5,270.00

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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.