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Finding the Fourth Proportional to 28,810, 43,222.29 and 8,033.50

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Solution

The fourth proportional to 28,810, 43,222.29 and 8,033.50 is: 12,052.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810 : 43,222.29 = 8,033.50 : x
  2. Step 2: Convert to fraction form
    28,810/43,222.29 = 8,033.50/x
  3. Step 3: Cross multiply
    28,810x = 43,222.29 × 8,033.50
  4. Step 4: Simplify right side
    28,810x = 347,226,266.72
  5. Step 5: Solve for x
    x = 347,226,266.72/28,810
  6. Step 6: Final answer
    x = 12,052.28

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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.