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Finding the Fourth Proportional to 50,982.68, 70,381.68 and 31,873.07

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Solution

The fourth proportional to 50,982.68, 70,381.68 and 31,873.07 is: 44,000.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,982.68 : 70,381.68 = 31,873.07 : x
  2. Step 2: Convert to fraction form
    50,982.68/70,381.68 = 31,873.07/x
  3. Step 3: Cross multiply
    50,982.68x = 70,381.68 × 31,873.07
  4. Step 4: Simplify right side
    50,982.68x = 2,243,280,213.36
  5. Step 5: Solve for x
    x = 2,243,280,213.36/50,982.68
  6. Step 6: Final answer
    x = 44,000.83

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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.