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Finding the Fourth Proportional to 14,998.98, 22,499.09 and 5,139.26

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Solution

The fourth proportional to 14,998.98, 22,499.09 and 5,139.26 is: 7,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,998.98 : 22,499.09 = 5,139.26 : x
  2. Step 2: Convert to fraction form
    14,998.98/22,499.09 = 5,139.26/x
  3. Step 3: Cross multiply
    14,998.98x = 22,499.09 × 5,139.26
  4. Step 4: Simplify right side
    14,998.98x = 115,628,638.73
  5. Step 5: Solve for x
    x = 115,628,638.73/14,998.98
  6. Step 6: Final answer
    x = 7,709.10

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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.