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Finding the Fourth Proportional to 23,943.65, 35,903.17 and 12,859.66

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Solution

The fourth proportional to 23,943.65, 35,903.17 and 12,859.66 is: 19,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,943.65 : 35,903.17 = 12,859.66 : x
  2. Step 2: Convert to fraction form
    23,943.65/35,903.17 = 12,859.66/x
  3. Step 3: Cross multiply
    23,943.65x = 35,903.17 × 12,859.66
  4. Step 4: Simplify right side
    23,943.65x = 461,702,620.08
  5. Step 5: Solve for x
    x = 461,702,620.08/23,943.65
  6. Step 6: Final answer
    x = 19,282.89

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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.