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Finding the Fourth Proportional to 12,753.03, 17,599.19 and 7,447.89

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Solution

The fourth proportional to 12,753.03, 17,599.19 and 7,447.89 is: 10,278.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,753.03 : 17,599.19 = 7,447.89 : x
  2. Step 2: Convert to fraction form
    12,753.03/17,599.19 = 7,447.89/x
  3. Step 3: Cross multiply
    12,753.03x = 17,599.19 × 7,447.89
  4. Step 4: Simplify right side
    12,753.03x = 131,076,793.97
  5. Step 5: Solve for x
    x = 131,076,793.97/12,753.03
  6. Step 6: Final answer
    x = 10,278.09

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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.