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Finding the Fourth Proportional to 18,532.81, 25,573.37 and 10,573.50

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Solution

The fourth proportional to 18,532.81, 25,573.37 and 10,573.50 is: 14,590.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532.81 : 25,573.37 = 10,573.50 : x
  2. Step 2: Convert to fraction form
    18,532.81/25,573.37 = 10,573.50/x
  3. Step 3: Cross multiply
    18,532.81x = 25,573.37 × 10,573.50
  4. Step 4: Simplify right side
    18,532.81x = 270,399,974.83
  5. Step 5: Solve for x
    x = 270,399,974.83/18,532.81
  6. Step 6: Final answer
    x = 14,590.34

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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.