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Finding the Fourth Proportional to 25,192.48, 37,794.48 and 7,664.80

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Solution

The fourth proportional to 25,192.48, 37,794.48 and 7,664.80 is: 11,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,192.48 : 37,794.48 = 7,664.80 : x
  2. Step 2: Convert to fraction form
    25,192.48/37,794.48 = 7,664.80/x
  3. Step 3: Cross multiply
    25,192.48x = 37,794.48 × 7,664.80
  4. Step 4: Simplify right side
    25,192.48x = 289,687,130.30
  5. Step 5: Solve for x
    x = 289,687,130.30/25,192.48
  6. Step 6: Final answer
    x = 11,498.95

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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.