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Finding the Fourth Proportional to 23,220.31, 34,830.46 and 5,689.99

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Solution

The fourth proportional to 23,220.31, 34,830.46 and 5,689.99 is: 8,534.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.31 : 34,830.46 = 5,689.99 : x
  2. Step 2: Convert to fraction form
    23,220.31/34,830.46 = 5,689.99/x
  3. Step 3: Cross multiply
    23,220.31x = 34,830.46 × 5,689.99
  4. Step 4: Simplify right side
    23,220.31x = 198,184,794.94
  5. Step 5: Solve for x
    x = 198,184,794.94/23,220.31
  6. Step 6: Final answer
    x = 8,534.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.