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Finding the Fourth Proportional to 58,817.93, 81,168.84 and 31,960.76

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Solution

The fourth proportional to 58,817.93, 81,168.84 and 31,960.76 is: 44,105.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,817.93 : 81,168.84 = 31,960.76 : x
  2. Step 2: Convert to fraction form
    58,817.93/81,168.84 = 31,960.76/x
  3. Step 3: Cross multiply
    58,817.93x = 81,168.84 × 31,960.76
  4. Step 4: Simplify right side
    58,817.93x = 2,594,217,408.87
  5. Step 5: Solve for x
    x = 2,594,217,408.87/58,817.93
  6. Step 6: Final answer
    x = 44,105.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.