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Finding the Fourth Proportional to 34,647.54, 51,934.14 and 18,003.48

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Solution

The fourth proportional to 34,647.54, 51,934.14 and 18,003.48 is: 26,985.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,647.54 : 51,934.14 = 18,003.48 : x
  2. Step 2: Convert to fraction form
    34,647.54/51,934.14 = 18,003.48/x
  3. Step 3: Cross multiply
    34,647.54x = 51,934.14 × 18,003.48
  4. Step 4: Simplify right side
    34,647.54x = 934,995,250.81
  5. Step 5: Solve for x
    x = 934,995,250.81/34,647.54
  6. Step 6: Final answer
    x = 26,985.91

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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.