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Finding the Fourth Proportional to 29,798.78, 44,697.90 and 12,029.16

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Solution

The fourth proportional to 29,798.78, 44,697.90 and 12,029.16 is: 18,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,798.78 : 44,697.90 = 12,029.16 : x
  2. Step 2: Convert to fraction form
    29,798.78/44,697.90 = 12,029.16/x
  3. Step 3: Cross multiply
    29,798.78x = 44,697.90 × 12,029.16
  4. Step 4: Simplify right side
    29,798.78x = 537,678,190.76
  5. Step 5: Solve for x
    x = 537,678,190.76/29,798.78
  6. Step 6: Final answer
    x = 18,043.63

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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.