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Finding the Fourth Proportional to 12,023.70, 16,593 and 6,718.85

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Solution

The fourth proportional to 12,023.70, 16,593 and 6,718.85 is: 9,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.70 : 16,593 = 6,718.85 : x
  2. Step 2: Convert to fraction form
    12,023.70/16,593 = 6,718.85/x
  3. Step 3: Cross multiply
    12,023.70x = 16,593 × 6,718.85
  4. Step 4: Simplify right side
    12,023.70x = 111,485,878.05
  5. Step 5: Solve for x
    x = 111,485,878.05/12,023.70
  6. Step 6: Final answer
    x = 9,272.18

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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.