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Finding the Fourth Proportional to 16,520.87, 22,799.93 and 9,350.80

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Solution

The fourth proportional to 16,520.87, 22,799.93 and 9,350.80 is: 12,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,520.87 : 22,799.93 = 9,350.80 : x
  2. Step 2: Convert to fraction form
    16,520.87/22,799.93 = 9,350.80/x
  3. Step 3: Cross multiply
    16,520.87x = 22,799.93 × 9,350.80
  4. Step 4: Simplify right side
    16,520.87x = 213,197,551.82
  5. Step 5: Solve for x
    x = 213,197,551.82/16,520.87
  6. Step 6: Final answer
    x = 12,904.74

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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.