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Finding the Fourth Proportional to 74,604.63, 111,792.06 and 34,599

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Solution

The fourth proportional to 74,604.63, 111,792.06 and 34,599 is: 51,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,604.63 : 111,792.06 = 34,599 : x
  2. Step 2: Convert to fraction form
    74,604.63/111,792.06 = 34,599/x
  3. Step 3: Cross multiply
    74,604.63x = 111,792.06 × 34,599
  4. Step 4: Simplify right side
    74,604.63x = 3,867,893,483.94
  5. Step 5: Solve for x
    x = 3,867,893,483.94/74,604.63
  6. Step 6: Final answer
    x = 51,845.22

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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.