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Finding the Fourth Proportional to 24,015.60, 36,012.60 and 9,219.60

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Solution

The fourth proportional to 24,015.60, 36,012.60 and 9,219.60 is: 13,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,015.60 : 36,012.60 = 9,219.60 : x
  2. Step 2: Convert to fraction form
    24,015.60/36,012.60 = 9,219.60/x
  3. Step 3: Cross multiply
    24,015.60x = 36,012.60 × 9,219.60
  4. Step 4: Simplify right side
    24,015.60x = 332,021,766.96
  5. Step 5: Solve for x
    x = 332,021,766.96/24,015.60
  6. Step 6: Final answer
    x = 13,825.25

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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.