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Finding the Fourth Proportional to 29,820.80, 44,743.35 and 15,033.98

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Solution

The fourth proportional to 29,820.80, 44,743.35 and 15,033.98 is: 22,557.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,820.80 : 44,743.35 = 15,033.98 : x
  2. Step 2: Convert to fraction form
    29,820.80/44,743.35 = 15,033.98/x
  3. Step 3: Cross multiply
    29,820.80x = 44,743.35 × 15,033.98
  4. Step 4: Simplify right side
    29,820.80x = 672,670,629.03
  5. Step 5: Solve for x
    x = 672,670,629.03/29,820.80
  6. Step 6: Final answer
    x = 22,557.10

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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.