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Finding the Fourth Proportional to 11,292.97, 16,890.22 and 6,601.86

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Solution

The fourth proportional to 11,292.97, 16,890.22 and 6,601.86 is: 9,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,292.97 : 16,890.22 = 6,601.86 : x
  2. Step 2: Convert to fraction form
    11,292.97/16,890.22 = 6,601.86/x
  3. Step 3: Cross multiply
    11,292.97x = 16,890.22 × 6,601.86
  4. Step 4: Simplify right side
    11,292.97x = 111,506,867.81
  5. Step 5: Solve for x
    x = 111,506,867.81/11,292.97
  6. Step 6: Final answer
    x = 9,874.01

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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.