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Finding the Fourth Proportional to 10,616.14, 15,931.14 and 4,042.39

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Solution

The fourth proportional to 10,616.14, 15,931.14 and 4,042.39 is: 6,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,616.14 : 15,931.14 = 4,042.39 : x
  2. Step 2: Convert to fraction form
    10,616.14/15,931.14 = 4,042.39/x
  3. Step 3: Cross multiply
    10,616.14x = 15,931.14 × 4,042.39
  4. Step 4: Simplify right side
    10,616.14x = 64,399,801.37
  5. Step 5: Solve for x
    x = 64,399,801.37/10,616.14
  6. Step 6: Final answer
    x = 6,066.22

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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.