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Finding the Fourth Proportional to 8,520.66, 11,763.90 and 6,527.52

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Solution

The fourth proportional to 8,520.66, 11,763.90 and 6,527.52 is: 9,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.66 : 11,763.90 = 6,527.52 : x
  2. Step 2: Convert to fraction form
    8,520.66/11,763.90 = 6,527.52/x
  3. Step 3: Cross multiply
    8,520.66x = 11,763.90 × 6,527.52
  4. Step 4: Simplify right side
    8,520.66x = 76,789,092.53
  5. Step 5: Solve for x
    x = 76,789,092.53/8,520.66
  6. Step 6: Final answer
    x = 9,012.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.