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Finding the Fourth Proportional to 15,249.15, 22,868.87 and 7,852.64

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Solution

The fourth proportional to 15,249.15, 22,868.87 and 7,852.64 is: 11,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249.15 : 22,868.87 = 7,852.64 : x
  2. Step 2: Convert to fraction form
    15,249.15/22,868.87 = 7,852.64/x
  3. Step 3: Cross multiply
    15,249.15x = 22,868.87 × 7,852.64
  4. Step 4: Simplify right side
    15,249.15x = 179,580,849.71
  5. Step 5: Solve for x
    x = 179,580,849.71/15,249.15
  6. Step 6: Final answer
    x = 11,776.45

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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.