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Finding the Fourth Proportional to 25,191, 37,788.06 and 7,662.12

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Solution

The fourth proportional to 25,191, 37,788.06 and 7,662.12 is: 11,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,191 : 37,788.06 = 7,662.12 : x
  2. Step 2: Convert to fraction form
    25,191/37,788.06 = 7,662.12/x
  3. Step 3: Cross multiply
    25,191x = 37,788.06 × 7,662.12
  4. Step 4: Simplify right side
    25,191x = 289,536,650.29
  5. Step 5: Solve for x
    x = 289,536,650.29/25,191
  6. Step 6: Final answer
    x = 11,493.65

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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.