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Finding the Fourth Proportional to 30,697.02, 46,044.99 and 12,229.02

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Solution

The fourth proportional to 30,697.02, 46,044.99 and 12,229.02 is: 18,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,697.02 : 46,044.99 = 12,229.02 : x
  2. Step 2: Convert to fraction form
    30,697.02/46,044.99 = 12,229.02/x
  3. Step 3: Cross multiply
    30,697.02x = 46,044.99 × 12,229.02
  4. Step 4: Simplify right side
    30,697.02x = 563,085,103.61
  5. Step 5: Solve for x
    x = 563,085,103.61/30,697.02
  6. Step 6: Final answer
    x = 18,343.31

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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.