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Finding the Fourth Proportional to 32,797.20, 45,266.87 and 20,858.24

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Solution

The fourth proportional to 32,797.20, 45,266.87 and 20,858.24 is: 28,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,797.20 : 45,266.87 = 20,858.24 : x
  2. Step 2: Convert to fraction form
    32,797.20/45,266.87 = 20,858.24/x
  3. Step 3: Cross multiply
    32,797.20x = 45,266.87 × 20,858.24
  4. Step 4: Simplify right side
    32,797.20x = 944,186,907.88
  5. Step 5: Solve for x
    x = 944,186,907.88/32,797.20
  6. Step 6: Final answer
    x = 28,788.64

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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.