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Finding the Fourth Proportional to 11,095.67, 16,625.05 and 7,801.86

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Solution

The fourth proportional to 11,095.67, 16,625.05 and 7,801.86 is: 11,689.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,095.67 : 16,625.05 = 7,801.86 : x
  2. Step 2: Convert to fraction form
    11,095.67/16,625.05 = 7,801.86/x
  3. Step 3: Cross multiply
    11,095.67x = 16,625.05 × 7,801.86
  4. Step 4: Simplify right side
    11,095.67x = 129,706,293.09
  5. Step 5: Solve for x
    x = 129,706,293.09/11,095.67
  6. Step 6: Final answer
    x = 11,689.81

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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.