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Finding the Fourth Proportional to 67,988.76, 93,823.07 and 37,772.31

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Solution

The fourth proportional to 67,988.76, 93,823.07 and 37,772.31 is: 52,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,988.76 : 93,823.07 = 37,772.31 : x
  2. Step 2: Convert to fraction form
    67,988.76/93,823.07 = 37,772.31/x
  3. Step 3: Cross multiply
    67,988.76x = 93,823.07 × 37,772.31
  4. Step 4: Simplify right side
    67,988.76x = 3,543,914,085.19
  5. Step 5: Solve for x
    x = 3,543,914,085.19/67,988.76
  6. Step 6: Final answer
    x = 52,125.00

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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.