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Finding the Fourth Proportional to 18,035.04, 27,052.55 and 6,946.95

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Solution

The fourth proportional to 18,035.04, 27,052.55 and 6,946.95 is: 10,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,035.04 : 27,052.55 = 6,946.95 : x
  2. Step 2: Convert to fraction form
    18,035.04/27,052.55 = 6,946.95/x
  3. Step 3: Cross multiply
    18,035.04x = 27,052.55 × 6,946.95
  4. Step 4: Simplify right side
    18,035.04x = 187,932,677.49
  5. Step 5: Solve for x
    x = 187,932,677.49/18,035.04
  6. Step 6: Final answer
    x = 10,420.42

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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.