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Finding the Fourth Proportional to 18,532.62, 25,573.11 and 10,573.31

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Solution

The fourth proportional to 18,532.62, 25,573.11 and 10,573.31 is: 14,590.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.62 : 25,573.11 = 10,573.31 : x
  2. Step 2: Convert to fraction form
    18,532.62/25,573.11 = 10,573.31/x
  3. Step 3: Cross multiply
    18,532.62x = 25,573.11 × 10,573.31
  4. Step 4: Simplify right side
    18,532.62x = 270,392,443.98
  5. Step 5: Solve for x
    x = 270,392,443.98/18,532.62
  6. Step 6: Final answer
    x = 14,590.08

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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.