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Finding the Fourth Proportional to 16,210.56, 22,370.58 and 8,758.56

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Solution

The fourth proportional to 16,210.56, 22,370.58 and 8,758.56 is: 12,086.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,210.56 : 22,370.58 = 8,758.56 : x
  2. Step 2: Convert to fraction form
    16,210.56/22,370.58 = 8,758.56/x
  3. Step 3: Cross multiply
    16,210.56x = 22,370.58 × 8,758.56
  4. Step 4: Simplify right side
    16,210.56x = 195,934,067.16
  5. Step 5: Solve for x
    x = 195,934,067.16/16,210.56
  6. Step 6: Final answer
    x = 12,086.82

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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.