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Finding the Fourth Proportional to 16,907.20, 25,355.40 and 7,044.10

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Solution

The fourth proportional to 16,907.20, 25,355.40 and 7,044.10 is: 10,563.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,907.20 : 25,355.40 = 7,044.10 : x
  2. Step 2: Convert to fraction form
    16,907.20/25,355.40 = 7,044.10/x
  3. Step 3: Cross multiply
    16,907.20x = 25,355.40 × 7,044.10
  4. Step 4: Simplify right side
    16,907.20x = 178,605,973.14
  5. Step 5: Solve for x
    x = 178,605,973.14/16,907.20
  6. Step 6: Final answer
    x = 10,563.90

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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.