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Finding the Fourth Proportional to 14,635.52, 21,961.92 and 8,792.72

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Solution

The fourth proportional to 14,635.52, 21,961.92 and 8,792.72 is: 13,194.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.52 : 21,961.92 = 8,792.72 : x
  2. Step 2: Convert to fraction form
    14,635.52/21,961.92 = 8,792.72/x
  3. Step 3: Cross multiply
    14,635.52x = 21,961.92 × 8,792.72
  4. Step 4: Simplify right side
    14,635.52x = 193,105,013.22
  5. Step 5: Solve for x
    x = 193,105,013.22/14,635.52
  6. Step 6: Final answer
    x = 13,194.27

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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.