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Finding the Fourth Proportional to 25,081.78, 37,622.64 and 7,551.58

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Solution

The fourth proportional to 25,081.78, 37,622.64 and 7,551.58 is: 11,327.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,081.78 : 37,622.64 = 7,551.58 : x
  2. Step 2: Convert to fraction form
    25,081.78/37,622.64 = 7,551.58/x
  3. Step 3: Cross multiply
    25,081.78x = 37,622.64 × 7,551.58
  4. Step 4: Simplify right side
    25,081.78x = 284,110,375.77
  5. Step 5: Solve for x
    x = 284,110,375.77/25,081.78
  6. Step 6: Final answer
    x = 11,327.36

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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.