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Finding the Fourth Proportional to 8,696.34, 13,047.11 and 5,001.23

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Solution

The fourth proportional to 8,696.34, 13,047.11 and 5,001.23 is: 7,503.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,696.34 : 13,047.11 = 5,001.23 : x
  2. Step 2: Convert to fraction form
    8,696.34/13,047.11 = 5,001.23/x
  3. Step 3: Cross multiply
    8,696.34x = 13,047.11 × 5,001.23
  4. Step 4: Simplify right side
    8,696.34x = 65,251,507.70
  5. Step 5: Solve for x
    x = 65,251,507.70/8,696.34
  6. Step 6: Final answer
    x = 7,503.33

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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.