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Finding the Fourth Proportional to 42,708.88, 58,940.49 and 23,844.88

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Solution

The fourth proportional to 42,708.88, 58,940.49 and 23,844.88 is: 32,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,708.88 : 58,940.49 = 23,844.88 : x
  2. Step 2: Convert to fraction form
    42,708.88/58,940.49 = 23,844.88/x
  3. Step 3: Cross multiply
    42,708.88x = 58,940.49 × 23,844.88
  4. Step 4: Simplify right side
    42,708.88x = 1,405,428,911.19
  5. Step 5: Solve for x
    x = 1,405,428,911.19/42,708.88
  6. Step 6: Final answer
    x = 32,907.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.