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Finding the Fourth Proportional to 60,755.63, 91,138.21 and 16,381.71

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Solution

The fourth proportional to 60,755.63, 91,138.21 and 16,381.71 is: 24,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,755.63 : 91,138.21 = 16,381.71 : x
  2. Step 2: Convert to fraction form
    60,755.63/91,138.21 = 16,381.71/x
  3. Step 3: Cross multiply
    60,755.63x = 91,138.21 × 16,381.71
  4. Step 4: Simplify right side
    60,755.63x = 1,492,999,685.18
  5. Step 5: Solve for x
    x = 1,492,999,685.18/60,755.63
  6. Step 6: Final answer
    x = 24,573.85

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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.