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Finding the Fourth Proportional to 67,641, 93,348.90 and 37,833

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Solution

The fourth proportional to 67,641, 93,348.90 and 37,833 is: 52,211.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,641 : 93,348.90 = 37,833 : x
  2. Step 2: Convert to fraction form
    67,641/93,348.90 = 37,833/x
  3. Step 3: Cross multiply
    67,641x = 93,348.90 × 37,833
  4. Step 4: Simplify right side
    67,641x = 3,531,668,933.70
  5. Step 5: Solve for x
    x = 3,531,668,933.70/67,641
  6. Step 6: Final answer
    x = 52,211.96

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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.