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Finding the Fourth Proportional to 25,262.78, 37,891.65 and 7,732.76

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Solution

The fourth proportional to 25,262.78, 37,891.65 and 7,732.76 is: 11,598.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,262.78 : 37,891.65 = 7,732.76 : x
  2. Step 2: Convert to fraction form
    25,262.78/37,891.65 = 7,732.76/x
  3. Step 3: Cross multiply
    25,262.78x = 37,891.65 × 7,732.76
  4. Step 4: Simplify right side
    25,262.78x = 293,007,035.45
  5. Step 5: Solve for x
    x = 293,007,035.45/25,262.78
  6. Step 6: Final answer
    x = 11,598.37

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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.