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Finding the Fourth Proportional to 8,900.75, 13,322.17 and 6,559.83

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Solution

The fourth proportional to 8,900.75, 13,322.17 and 6,559.83 is: 9,818.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.75 : 13,322.17 = 6,559.83 : x
  2. Step 2: Convert to fraction form
    8,900.75/13,322.17 = 6,559.83/x
  3. Step 3: Cross multiply
    8,900.75x = 13,322.17 × 6,559.83
  4. Step 4: Simplify right side
    8,900.75x = 87,391,170.43
  5. Step 5: Solve for x
    x = 87,391,170.43/8,900.75
  6. Step 6: Final answer
    x = 9,818.41

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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.