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Finding the Fourth Proportional to 60,468.92, 90,703.27 and 21,025.97

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Solution

The fourth proportional to 60,468.92, 90,703.27 and 21,025.97 is: 31,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,468.92 : 90,703.27 = 21,025.97 : x
  2. Step 2: Convert to fraction form
    60,468.92/90,703.27 = 21,025.97/x
  3. Step 3: Cross multiply
    60,468.92x = 90,703.27 × 21,025.97
  4. Step 4: Simplify right side
    60,468.92x = 1,907,124,233.92
  5. Step 5: Solve for x
    x = 1,907,124,233.92/60,468.92
  6. Step 6: Final answer
    x = 31,538.92

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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.