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Finding the Fourth Proportional to 31,914.46, 44,041.93 and 18,486.46

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Solution

The fourth proportional to 31,914.46, 44,041.93 and 18,486.46 is: 25,511.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,914.46 : 44,041.93 = 18,486.46 : x
  2. Step 2: Convert to fraction form
    31,914.46/44,041.93 = 18,486.46/x
  3. Step 3: Cross multiply
    31,914.46x = 44,041.93 × 18,486.46
  4. Step 4: Simplify right side
    31,914.46x = 814,179,377.27
  5. Step 5: Solve for x
    x = 814,179,377.27/31,914.46
  6. Step 6: Final answer
    x = 25,511.30

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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.