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Finding the Fourth Proportional to 15,249.60, 22,878.72 and 9,015.12

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Solution

The fourth proportional to 15,249.60, 22,878.72 and 9,015.12 is: 13,525.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.60 : 22,878.72 = 9,015.12 : x
  2. Step 2: Convert to fraction form
    15,249.60/22,878.72 = 9,015.12/x
  3. Step 3: Cross multiply
    15,249.60x = 22,878.72 × 9,015.12
  4. Step 4: Simplify right side
    15,249.60x = 206,254,406.25
  5. Step 5: Solve for x
    x = 206,254,406.25/15,249.60
  6. Step 6: Final answer
    x = 13,525.23

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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.