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Finding the Fourth Proportional to 25,165.56, 37,746.42 and 7,635.48

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Solution

The fourth proportional to 25,165.56, 37,746.42 and 7,635.48 is: 11,452.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,165.56 : 37,746.42 = 7,635.48 : x
  2. Step 2: Convert to fraction form
    25,165.56/37,746.42 = 7,635.48/x
  3. Step 3: Cross multiply
    25,165.56x = 37,746.42 × 7,635.48
  4. Step 4: Simplify right side
    25,165.56x = 288,212,034.98
  5. Step 5: Solve for x
    x = 288,212,034.98/25,165.56
  6. Step 6: Final answer
    x = 11,452.64

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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.