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Finding the Fourth Proportional to 13,713.03, 18,924.17 and 7,663.01

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Solution

The fourth proportional to 13,713.03, 18,924.17 and 7,663.01 is: 10,575.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.03 : 18,924.17 = 7,663.01 : x
  2. Step 2: Convert to fraction form
    13,713.03/18,924.17 = 7,663.01/x
  3. Step 3: Cross multiply
    13,713.03x = 18,924.17 × 7,663.01
  4. Step 4: Simplify right side
    13,713.03x = 145,015,971.02
  5. Step 5: Solve for x
    x = 145,015,971.02/13,713.03
  6. Step 6: Final answer
    x = 10,575.05

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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.