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Finding the Fourth Proportional to 18,573.72, 25,627.30 and 10,507.56

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Solution

The fourth proportional to 18,573.72, 25,627.30 and 10,507.56 is: 14,497.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,573.72 : 25,627.30 = 10,507.56 : x
  2. Step 2: Convert to fraction form
    18,573.72/25,627.30 = 10,507.56/x
  3. Step 3: Cross multiply
    18,573.72x = 25,627.30 × 10,507.56
  4. Step 4: Simplify right side
    18,573.72x = 269,280,392.39
  5. Step 5: Solve for x
    x = 269,280,392.39/18,573.72
  6. Step 6: Final answer
    x = 14,497.92

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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.