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Finding the Fourth Proportional to 14,481.10, 19,988.67 and 8,512.48

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Solution

The fourth proportional to 14,481.10, 19,988.67 and 8,512.48 is: 11,750.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,481.10 : 19,988.67 = 8,512.48 : x
  2. Step 2: Convert to fraction form
    14,481.10/19,988.67 = 8,512.48/x
  3. Step 3: Cross multiply
    14,481.10x = 19,988.67 × 8,512.48
  4. Step 4: Simplify right side
    14,481.10x = 170,153,153.60
  5. Step 5: Solve for x
    x = 170,153,153.60/14,481.10
  6. Step 6: Final answer
    x = 11,750.02

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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.