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Finding the Fourth Proportional to 60,061, 90,092.76 and 18,508

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Solution

The fourth proportional to 60,061, 90,092.76 and 18,508 is: 27,762.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,061 : 90,092.76 = 18,508 : x
  2. Step 2: Convert to fraction form
    60,061/90,092.76 = 18,508/x
  3. Step 3: Cross multiply
    60,061x = 90,092.76 × 18,508
  4. Step 4: Simplify right side
    60,061x = 1,667,436,802.08
  5. Step 5: Solve for x
    x = 1,667,436,802.08/60,061
  6. Step 6: Final answer
    x = 27,762.39

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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.