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Finding the Fourth Proportional to 68,084.80, 93,955.66 and 37,869.47

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Solution

The fourth proportional to 68,084.80, 93,955.66 and 37,869.47 is: 52,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,084.80 : 93,955.66 = 37,869.47 : x
  2. Step 2: Convert to fraction form
    68,084.80/93,955.66 = 37,869.47/x
  3. Step 3: Cross multiply
    68,084.80x = 93,955.66 × 37,869.47
  4. Step 4: Simplify right side
    68,084.80x = 3,558,051,047.70
  5. Step 5: Solve for x
    x = 3,558,051,047.70/68,084.80
  6. Step 6: Final answer
    x = 52,259.11

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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.