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Finding the Fourth Proportional to 34,746.99, 47,949.56 and 18,831.10

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Solution

The fourth proportional to 34,746.99, 47,949.56 and 18,831.10 is: 25,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,746.99 : 47,949.56 = 18,831.10 : x
  2. Step 2: Convert to fraction form
    34,746.99/47,949.56 = 18,831.10/x
  3. Step 3: Cross multiply
    34,746.99x = 47,949.56 × 18,831.10
  4. Step 4: Simplify right side
    34,746.99x = 902,942,815.90
  5. Step 5: Solve for x
    x = 902,942,815.90/34,746.99
  6. Step 6: Final answer
    x = 25,986.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.