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Finding the Fourth Proportional to 15,607.60, 23,400.46 and 5,745.60

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Solution

The fourth proportional to 15,607.60, 23,400.46 and 5,745.60 is: 8,614.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.60 : 23,400.46 = 5,745.60 : x
  2. Step 2: Convert to fraction form
    15,607.60/23,400.46 = 5,745.60/x
  3. Step 3: Cross multiply
    15,607.60x = 23,400.46 × 5,745.60
  4. Step 4: Simplify right side
    15,607.60x = 134,449,682.98
  5. Step 5: Solve for x
    x = 134,449,682.98/15,607.60
  6. Step 6: Final answer
    x = 8,614.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.