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Finding the Fourth Proportional to 32,451.87, 44,791.74 and 18,312.87

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Solution

The fourth proportional to 32,451.87, 44,791.74 and 18,312.87 is: 25,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,451.87 : 44,791.74 = 18,312.87 : x
  2. Step 2: Convert to fraction form
    32,451.87/44,791.74 = 18,312.87/x
  3. Step 3: Cross multiply
    32,451.87x = 44,791.74 × 18,312.87
  4. Step 4: Simplify right side
    32,451.87x = 820,265,311.69
  5. Step 5: Solve for x
    x = 820,265,311.69/32,451.87
  6. Step 6: Final answer
    x = 25,276.37

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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.