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Finding the Fourth Proportional to 67,900.32, 93,703.44 and 37,687.58

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Solution

The fourth proportional to 67,900.32, 93,703.44 and 37,687.58 is: 52,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,900.32 : 93,703.44 = 37,687.58 : x
  2. Step 2: Convert to fraction form
    67,900.32/93,703.44 = 37,687.58/x
  3. Step 3: Cross multiply
    67,900.32x = 93,703.44 × 37,687.58
  4. Step 4: Simplify right side
    67,900.32x = 3,531,455,891.28
  5. Step 5: Solve for x
    x = 3,531,455,891.28/67,900.32
  6. Step 6: Final answer
    x = 52,009.41

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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.