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Finding the Fourth Proportional to 8,766.99, 13,165.11 and 8,698.95

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Solution

The fourth proportional to 8,766.99, 13,165.11 and 8,698.95 is: 13,062.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.99 : 13,165.11 = 8,698.95 : x
  2. Step 2: Convert to fraction form
    8,766.99/13,165.11 = 8,698.95/x
  3. Step 3: Cross multiply
    8,766.99x = 13,165.11 × 8,698.95
  4. Step 4: Simplify right side
    8,766.99x = 114,522,633.63
  5. Step 5: Solve for x
    x = 114,522,633.63/8,766.99
  6. Step 6: Final answer
    x = 13,062.94

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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.