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Finding the Fourth Proportional to 60,267, 90,400.50 and 23,331

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Solution

The fourth proportional to 60,267, 90,400.50 and 23,331 is: 34,996.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,267 : 90,400.50 = 23,331 : x
  2. Step 2: Convert to fraction form
    60,267/90,400.50 = 23,331/x
  3. Step 3: Cross multiply
    60,267x = 90,400.50 × 23,331
  4. Step 4: Simplify right side
    60,267x = 2,109,134,065.50
  5. Step 5: Solve for x
    x = 2,109,134,065.50/60,267
  6. Step 6: Final answer
    x = 34,996.50

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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.