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Finding the Fourth Proportional to 10,463.11, 15,696.03 and 3,888.45

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Solution

The fourth proportional to 10,463.11, 15,696.03 and 3,888.45 is: 5,833.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463.11 : 15,696.03 = 3,888.45 : x
  2. Step 2: Convert to fraction form
    10,463.11/15,696.03 = 3,888.45/x
  3. Step 3: Cross multiply
    10,463.11x = 15,696.03 × 3,888.45
  4. Step 4: Simplify right side
    10,463.11x = 61,033,227.85
  5. Step 5: Solve for x
    x = 61,033,227.85/10,463.11
  6. Step 6: Final answer
    x = 5,833.18

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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.