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Finding the Fourth Proportional to 34,859.30, 48,106.02 and 18,943.88

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Solution

The fourth proportional to 34,859.30, 48,106.02 and 18,943.88 is: 26,142.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,859.30 : 48,106.02 = 18,943.88 : x
  2. Step 2: Convert to fraction form
    34,859.30/48,106.02 = 18,943.88/x
  3. Step 3: Cross multiply
    34,859.30x = 48,106.02 × 18,943.88
  4. Step 4: Simplify right side
    34,859.30x = 911,314,670.16
  5. Step 5: Solve for x
    x = 911,314,670.16/34,859.30
  6. Step 6: Final answer
    x = 26,142.66

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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.