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Finding the Fourth Proportional to 25,015.56, 37,519.47 and 8,375.46

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Solution

The fourth proportional to 25,015.56, 37,519.47 and 8,375.46 is: 12,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,015.56 : 37,519.47 = 8,375.46 : x
  2. Step 2: Convert to fraction form
    25,015.56/37,519.47 = 8,375.46/x
  3. Step 3: Cross multiply
    25,015.56x = 37,519.47 × 8,375.46
  4. Step 4: Simplify right side
    25,015.56x = 314,242,820.21
  5. Step 5: Solve for x
    x = 314,242,820.21/25,015.56
  6. Step 6: Final answer
    x = 12,561.89

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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.