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Finding the Fourth Proportional to 18,232.25, 27,337.43 and 7,125.71

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Solution

The fourth proportional to 18,232.25, 27,337.43 and 7,125.71 is: 10,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.25 : 27,337.43 = 7,125.71 : x
  2. Step 2: Convert to fraction form
    18,232.25/27,337.43 = 7,125.71/x
  3. Step 3: Cross multiply
    18,232.25x = 27,337.43 × 7,125.71
  4. Step 4: Simplify right side
    18,232.25x = 194,798,479.45
  5. Step 5: Solve for x
    x = 194,798,479.45/18,232.25
  6. Step 6: Final answer
    x = 10,684.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.