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Finding the Fourth Proportional to 20,798.50, 31,197.99 and 6,007.58

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Solution

The fourth proportional to 20,798.50, 31,197.99 and 6,007.58 is: 9,011.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,798.50 : 31,197.99 = 6,007.58 : x
  2. Step 2: Convert to fraction form
    20,798.50/31,197.99 = 6,007.58/x
  3. Step 3: Cross multiply
    20,798.50x = 31,197.99 × 6,007.58
  4. Step 4: Simplify right side
    20,798.50x = 187,424,420.76
  5. Step 5: Solve for x
    x = 187,424,420.76/20,798.50
  6. Step 6: Final answer
    x = 9,011.44

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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.