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Finding the Fourth Proportional to 66,875, 92,287.66 and 37,067

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Solution

The fourth proportional to 66,875, 92,287.66 and 37,067 is: 51,152.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,875 : 92,287.66 = 37,067 : x
  2. Step 2: Convert to fraction form
    66,875/92,287.66 = 37,067/x
  3. Step 3: Cross multiply
    66,875x = 92,287.66 × 37,067
  4. Step 4: Simplify right side
    66,875x = 3,420,826,693.22
  5. Step 5: Solve for x
    x = 3,420,826,693.22/66,875
  6. Step 6: Final answer
    x = 51,152.55

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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.