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Finding the Fourth Proportional to 15,745.20, 23,618.02 and 4,652.08

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Solution

The fourth proportional to 15,745.20, 23,618.02 and 4,652.08 is: 6,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,745.20 : 23,618.02 = 4,652.08 : x
  2. Step 2: Convert to fraction form
    15,745.20/23,618.02 = 4,652.08/x
  3. Step 3: Cross multiply
    15,745.20x = 23,618.02 × 4,652.08
  4. Step 4: Simplify right side
    15,745.20x = 109,872,918.48
  5. Step 5: Solve for x
    x = 109,872,918.48/15,745.20
  6. Step 6: Final answer
    x = 6,978.19

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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.