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Finding the Fourth Proportional to 14,791.10, 20,411.66 and 8,823.02

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Solution

The fourth proportional to 14,791.10, 20,411.66 and 8,823.02 is: 12,175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,791.10 : 20,411.66 = 8,823.02 : x
  2. Step 2: Convert to fraction form
    14,791.10/20,411.66 = 8,823.02/x
  3. Step 3: Cross multiply
    14,791.10x = 20,411.66 × 8,823.02
  4. Step 4: Simplify right side
    14,791.10x = 180,092,404.41
  5. Step 5: Solve for x
    x = 180,092,404.41/14,791.10
  6. Step 6: Final answer
    x = 12,175.73

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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.