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Finding the Fourth Proportional to 69,783.67, 104,710.13 and 27,662.86

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Solution

The fourth proportional to 69,783.67, 104,710.13 and 27,662.86 is: 41,508.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,783.67 : 104,710.13 = 27,662.86 : x
  2. Step 2: Convert to fraction form
    69,783.67/104,710.13 = 27,662.86/x
  3. Step 3: Cross multiply
    69,783.67x = 104,710.13 × 27,662.86
  4. Step 4: Simplify right side
    69,783.67x = 2,896,581,666.77
  5. Step 5: Solve for x
    x = 2,896,581,666.77/69,783.67
  6. Step 6: Final answer
    x = 41,508.02

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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.