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Finding the Fourth Proportional to 16,596.10, 22,900.77 and 9,880.78

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Solution

The fourth proportional to 16,596.10, 22,900.77 and 9,880.78 is: 13,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,596.10 : 22,900.77 = 9,880.78 : x
  2. Step 2: Convert to fraction form
    16,596.10/22,900.77 = 9,880.78/x
  3. Step 3: Cross multiply
    16,596.10x = 22,900.77 × 9,880.78
  4. Step 4: Simplify right side
    16,596.10x = 226,277,470.20
  5. Step 5: Solve for x
    x = 226,277,470.20/16,596.10
  6. Step 6: Final answer
    x = 13,634.38

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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.