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Finding the Fourth Proportional to 67,881.20, 93,675.84 and 37,671.08

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Solution

The fourth proportional to 67,881.20, 93,675.84 and 37,671.08 is: 51,985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,881.20 : 93,675.84 = 37,671.08 : x
  2. Step 2: Convert to fraction form
    67,881.20/93,675.84 = 37,671.08/x
  3. Step 3: Cross multiply
    67,881.20x = 93,675.84 × 37,671.08
  4. Step 4: Simplify right side
    67,881.20x = 3,528,870,062.71
  5. Step 5: Solve for x
    x = 3,528,870,062.71/67,881.20
  6. Step 6: Final answer
    x = 51,985.97

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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.