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Finding the Fourth Proportional to 10,501.08, 15,751.62 and 9,859.56

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Solution

The fourth proportional to 10,501.08, 15,751.62 and 9,859.56 is: 14,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,501.08 : 15,751.62 = 9,859.56 : x
  2. Step 2: Convert to fraction form
    10,501.08/15,751.62 = 9,859.56/x
  3. Step 3: Cross multiply
    10,501.08x = 15,751.62 × 9,859.56
  4. Step 4: Simplify right side
    10,501.08x = 155,304,042.49
  5. Step 5: Solve for x
    x = 155,304,042.49/10,501.08
  6. Step 6: Final answer
    x = 14,789.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.