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Finding the Fourth Proportional to 25,294.84, 37,940.89 and 7,764.67

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Solution

The fourth proportional to 25,294.84, 37,940.89 and 7,764.67 is: 11,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,294.84 : 37,940.89 = 7,764.67 : x
  2. Step 2: Convert to fraction form
    25,294.84/37,940.89 = 7,764.67/x
  3. Step 3: Cross multiply
    25,294.84x = 37,940.89 × 7,764.67
  4. Step 4: Simplify right side
    25,294.84x = 294,598,490.36
  5. Step 5: Solve for x
    x = 294,598,490.36/25,294.84
  6. Step 6: Final answer
    x = 11,646.58

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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.