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Finding the Fourth Proportional to 14,801.10, 20,424.64 and 8,832.70

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Solution

The fourth proportional to 14,801.10, 20,424.64 and 8,832.70 is: 12,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,801.10 : 20,424.64 = 8,832.70 : x
  2. Step 2: Convert to fraction form
    14,801.10/20,424.64 = 8,832.70/x
  3. Step 3: Cross multiply
    14,801.10x = 20,424.64 × 8,832.70
  4. Step 4: Simplify right side
    14,801.10x = 180,404,717.73
  5. Step 5: Solve for x
    x = 180,404,717.73/14,801.10
  6. Step 6: Final answer
    x = 12,188.60

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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.