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Finding the Fourth Proportional to 25,360.44, 38,044.30 and 7,831.76

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Solution

The fourth proportional to 25,360.44, 38,044.30 and 7,831.76 is: 11,748.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,360.44 : 38,044.30 = 7,831.76 : x
  2. Step 2: Convert to fraction form
    25,360.44/38,044.30 = 7,831.76/x
  3. Step 3: Cross multiply
    25,360.44x = 38,044.30 × 7,831.76
  4. Step 4: Simplify right side
    25,360.44x = 297,953,826.97
  5. Step 5: Solve for x
    x = 297,953,826.97/25,360.44
  6. Step 6: Final answer
    x = 11,748.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.