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Finding the Fourth Proportional to 25,245.79, 37,868.68 and 6,777.79

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Solution

The fourth proportional to 25,245.79, 37,868.68 and 6,777.79 is: 10,166.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,245.79 : 37,868.68 = 6,777.79 : x
  2. Step 2: Convert to fraction form
    25,245.79/37,868.68 = 6,777.79/x
  3. Step 3: Cross multiply
    25,245.79x = 37,868.68 × 6,777.79
  4. Step 4: Simplify right side
    25,245.79x = 256,665,960.62
  5. Step 5: Solve for x
    x = 256,665,960.62/25,245.79
  6. Step 6: Final answer
    x = 10,166.68

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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.