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Finding the Fourth Proportional to 14,499.77, 21,786.11 and 9,237.15

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Solution

The fourth proportional to 14,499.77, 21,786.11 and 9,237.15 is: 13,878.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.77 : 21,786.11 = 9,237.15 : x
  2. Step 2: Convert to fraction form
    14,499.77/21,786.11 = 9,237.15/x
  3. Step 3: Cross multiply
    14,499.77x = 21,786.11 × 9,237.15
  4. Step 4: Simplify right side
    14,499.77x = 201,241,410.87
  5. Step 5: Solve for x
    x = 201,241,410.87/14,499.77
  6. Step 6: Final answer
    x = 13,878.94

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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.