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Finding the Fourth Proportional to 34,859.58, 48,106.17 and 18,943.99

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Solution

The fourth proportional to 34,859.58, 48,106.17 and 18,943.99 is: 26,142.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.58 : 48,106.17 = 18,943.99 : x
  2. Step 2: Convert to fraction form
    34,859.58/48,106.17 = 18,943.99/x
  3. Step 3: Cross multiply
    34,859.58x = 48,106.17 × 18,943.99
  4. Step 4: Simplify right side
    34,859.58x = 911,322,803.42
  5. Step 5: Solve for x
    x = 911,322,803.42/34,859.58
  6. Step 6: Final answer
    x = 26,142.68

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Why These Related Problems?

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