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Finding the Fourth Proportional to 32,807.85, 45,285.78 and 22,049.13

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Solution

The fourth proportional to 32,807.85, 45,285.78 and 22,049.13 is: 30,435.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,807.85 : 45,285.78 = 22,049.13 : x
  2. Step 2: Convert to fraction form
    32,807.85/45,285.78 = 22,049.13/x
  3. Step 3: Cross multiply
    32,807.85x = 45,285.78 × 22,049.13
  4. Step 4: Simplify right side
    32,807.85x = 998,512,050.37
  5. Step 5: Solve for x
    x = 998,512,050.37/32,807.85
  6. Step 6: Final answer
    x = 30,435.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.