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Finding the Fourth Proportional to 14,759.88, 22,152.63 and 7,744.87

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Solution

The fourth proportional to 14,759.88, 22,152.63 and 7,744.87 is: 11,624.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,759.88 : 22,152.63 = 7,744.87 : x
  2. Step 2: Convert to fraction form
    14,759.88/22,152.63 = 7,744.87/x
  3. Step 3: Cross multiply
    14,759.88x = 22,152.63 × 7,744.87
  4. Step 4: Simplify right side
    14,759.88x = 171,569,239.51
  5. Step 5: Solve for x
    x = 171,569,239.51/14,759.88
  6. Step 6: Final answer
    x = 11,624.03

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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.