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Finding the Fourth Proportional to 29,453.50, 40,645.51 and 17,516.58

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Solution

The fourth proportional to 29,453.50, 40,645.51 and 17,516.58 is: 24,172.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,453.50 : 40,645.51 = 17,516.58 : x
  2. Step 2: Convert to fraction form
    29,453.50/40,645.51 = 17,516.58/x
  3. Step 3: Cross multiply
    29,453.50x = 40,645.51 × 17,516.58
  4. Step 4: Simplify right side
    29,453.50x = 711,970,327.56
  5. Step 5: Solve for x
    x = 711,970,327.56/29,453.50
  6. Step 6: Final answer
    x = 24,172.69

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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.