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Finding the Fourth Proportional to 18,473.22, 25,493.49 and 10,516.32

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Solution

The fourth proportional to 18,473.22, 25,493.49 and 10,516.32 is: 14,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.22 : 25,493.49 = 10,516.32 : x
  2. Step 2: Convert to fraction form
    18,473.22/25,493.49 = 10,516.32/x
  3. Step 3: Cross multiply
    18,473.22x = 25,493.49 × 10,516.32
  4. Step 4: Simplify right side
    18,473.22x = 268,097,698.76
  5. Step 5: Solve for x
    x = 268,097,698.76/18,473.22
  6. Step 6: Final answer
    x = 14,512.78

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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.