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Finding the Fourth Proportional to 8,732.61, 13,092.44 and 7,852.55

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Solution

The fourth proportional to 8,732.61, 13,092.44 and 7,852.55 is: 11,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.61 : 13,092.44 = 7,852.55 : x
  2. Step 2: Convert to fraction form
    8,732.61/13,092.44 = 7,852.55/x
  3. Step 3: Cross multiply
    8,732.61x = 13,092.44 × 7,852.55
  4. Step 4: Simplify right side
    8,732.61x = 102,808,935.00
  5. Step 5: Solve for x
    x = 102,808,935.00/8,732.61
  6. Step 6: Final answer
    x = 11,772.99

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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.