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Finding the Fourth Proportional to 31,917.76, 44,045.76 and 17,770.32

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Solution

The fourth proportional to 31,917.76, 44,045.76 and 17,770.32 is: 24,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,917.76 : 44,045.76 = 17,770.32 : x
  2. Step 2: Convert to fraction form
    31,917.76/44,045.76 = 17,770.32/x
  3. Step 3: Cross multiply
    31,917.76x = 44,045.76 × 17,770.32
  4. Step 4: Simplify right side
    31,917.76x = 782,707,249.84
  5. Step 5: Solve for x
    x = 782,707,249.84/31,917.76
  6. Step 6: Final answer
    x = 24,522.62

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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.