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Finding the Fourth Proportional to 67,873.63, 93,661.11 and 37,657.94

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Solution

The fourth proportional to 67,873.63, 93,661.11 and 37,657.94 is: 51,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,873.63 : 93,661.11 = 37,657.94 : x
  2. Step 2: Convert to fraction form
    67,873.63/93,661.11 = 37,657.94/x
  3. Step 3: Cross multiply
    67,873.63x = 93,661.11 × 37,657.94
  4. Step 4: Simplify right side
    67,873.63x = 3,527,084,460.71
  5. Step 5: Solve for x
    x = 3,527,084,460.71/67,873.63
  6. Step 6: Final answer
    x = 51,965.46

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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.