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Finding the Fourth Proportional to 25,299.82, 37,950.45 and 7,769.68

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Solution

The fourth proportional to 25,299.82, 37,950.45 and 7,769.68 is: 11,654.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.82 : 37,950.45 = 7,769.68 : x
  2. Step 2: Convert to fraction form
    25,299.82/37,950.45 = 7,769.68/x
  3. Step 3: Cross multiply
    25,299.82x = 37,950.45 × 7,769.68
  4. Step 4: Simplify right side
    25,299.82x = 294,862,852.36
  5. Step 5: Solve for x
    x = 294,862,852.36/25,299.82
  6. Step 6: Final answer
    x = 11,654.74

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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.