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Finding the Fourth Proportional to 61,801, 92,704.38 and 18,025

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Solution

The fourth proportional to 61,801, 92,704.38 and 18,025 is: 27,038.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,801 : 92,704.38 = 18,025 : x
  2. Step 2: Convert to fraction form
    61,801/92,704.38 = 18,025/x
  3. Step 3: Cross multiply
    61,801x = 92,704.38 × 18,025
  4. Step 4: Simplify right side
    61,801x = 1,670,996,449.50
  5. Step 5: Solve for x
    x = 1,670,996,449.50/61,801
  6. Step 6: Final answer
    x = 27,038.34

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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.