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Finding the Fourth Proportional to 25,193.79, 37,791.50 and 7,663.50

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Solution

The fourth proportional to 25,193.79, 37,791.50 and 7,663.50 is: 11,495.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,193.79 : 37,791.50 = 7,663.50 : x
  2. Step 2: Convert to fraction form
    25,193.79/37,791.50 = 7,663.50/x
  3. Step 3: Cross multiply
    25,193.79x = 37,791.50 × 7,663.50
  4. Step 4: Simplify right side
    25,193.79x = 289,615,121.93
  5. Step 5: Solve for x
    x = 289,615,121.93/25,193.79
  6. Step 6: Final answer
    x = 11,495.50

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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.