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Finding the Fourth Proportional to 15,114.53, 22,675.64 and 8,879.81

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Solution

The fourth proportional to 15,114.53, 22,675.64 and 8,879.81 is: 13,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,114.53 : 22,675.64 = 8,879.81 : x
  2. Step 2: Convert to fraction form
    15,114.53/22,675.64 = 8,879.81/x
  3. Step 3: Cross multiply
    15,114.53x = 22,675.64 × 8,879.81
  4. Step 4: Simplify right side
    15,114.53x = 201,355,217.05
  5. Step 5: Solve for x
    x = 201,355,217.05/15,114.53
  6. Step 6: Final answer
    x = 13,321.96

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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.