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Finding the Fourth Proportional to 15,291.29, 22,935.83 and 6,860.41

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Solution

The fourth proportional to 15,291.29, 22,935.83 and 6,860.41 is: 10,290.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,291.29 : 22,935.83 = 6,860.41 : x
  2. Step 2: Convert to fraction form
    15,291.29/22,935.83 = 6,860.41/x
  3. Step 3: Cross multiply
    15,291.29x = 22,935.83 × 6,860.41
  4. Step 4: Simplify right side
    15,291.29x = 157,349,105.85
  5. Step 5: Solve for x
    x = 157,349,105.85/15,291.29
  6. Step 6: Final answer
    x = 10,290.11

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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.