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Finding the Fourth Proportional to 58,694.53, 88,032.37 and 18,708.31

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Solution

The fourth proportional to 58,694.53, 88,032.37 and 18,708.31 is: 28,059.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,694.53 : 88,032.37 = 18,708.31 : x
  2. Step 2: Convert to fraction form
    58,694.53/88,032.37 = 18,708.31/x
  3. Step 3: Cross multiply
    58,694.53x = 88,032.37 × 18,708.31
  4. Step 4: Simplify right side
    58,694.53x = 1,646,936,867.99
  5. Step 5: Solve for x
    x = 1,646,936,867.99/58,694.53
  6. Step 6: Final answer
    x = 28,059.46

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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.