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Finding the Fourth Proportional to 15,103.94, 22,662.66 and 7,704.50

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Solution

The fourth proportional to 15,103.94, 22,662.66 and 7,704.50 is: 11,560.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.94 : 22,662.66 = 7,704.50 : x
  2. Step 2: Convert to fraction form
    15,103.94/22,662.66 = 7,704.50/x
  3. Step 3: Cross multiply
    15,103.94x = 22,662.66 × 7,704.50
  4. Step 4: Simplify right side
    15,103.94x = 174,604,463.97
  5. Step 5: Solve for x
    x = 174,604,463.97/15,103.94
  6. Step 6: Final answer
    x = 11,560.19

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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.