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Finding the Fourth Proportional to 60,661.92, 90,992.88 and 23,700

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Solution

The fourth proportional to 60,661.92, 90,992.88 and 23,700 is: 35,550

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,661.92 : 90,992.88 = 23,700 : x
  2. Step 2: Convert to fraction form
    60,661.92/90,992.88 = 23,700/x
  3. Step 3: Cross multiply
    60,661.92x = 90,992.88 × 23,700
  4. Step 4: Simplify right side
    60,661.92x = 2,156,531,256
  5. Step 5: Solve for x
    x = 2,156,531,256/60,661.92
  6. Step 6: Final answer
    x = 35,550

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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.