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Finding the Fourth Proportional to 60,883.44, 91,334.28 and 21,433.61

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Solution

The fourth proportional to 60,883.44, 91,334.28 and 21,433.61 is: 32,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,883.44 : 91,334.28 = 21,433.61 : x
  2. Step 2: Convert to fraction form
    60,883.44/91,334.28 = 21,433.61/x
  3. Step 3: Cross multiply
    60,883.44x = 91,334.28 × 21,433.61
  4. Step 4: Simplify right side
    60,883.44x = 1,957,623,337.15
  5. Step 5: Solve for x
    x = 1,957,623,337.15/60,883.44
  6. Step 6: Final answer
    x = 32,153.63

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1.5x scale

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.