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Finding the Fourth Proportional to 61,776.19, 92,630.99 and 33,328.39

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Solution

The fourth proportional to 61,776.19, 92,630.99 and 33,328.39 is: 49,974.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,776.19 : 92,630.99 = 33,328.39 : x
  2. Step 2: Convert to fraction form
    61,776.19/92,630.99 = 33,328.39/x
  3. Step 3: Cross multiply
    61,776.19x = 92,630.99 × 33,328.39
  4. Step 4: Simplify right side
    61,776.19x = 3,087,241,825.74
  5. Step 5: Solve for x
    x = 3,087,241,825.74/61,776.19
  6. Step 6: Final answer
    x = 49,974.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.