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Finding the Fourth Proportional to 69,499.53, 104,268.74 and 27,353.61

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Solution

The fourth proportional to 69,499.53, 104,268.74 and 27,353.61 is: 41,038.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,499.53 : 104,268.74 = 27,353.61 : x
  2. Step 2: Convert to fraction form
    69,499.53/104,268.74 = 27,353.61/x
  3. Step 3: Cross multiply
    69,499.53x = 104,268.74 × 27,353.61
  4. Step 4: Simplify right side
    69,499.53x = 2,852,126,312.38
  5. Step 5: Solve for x
    x = 2,852,126,312.38/69,499.53
  6. Step 6: Final answer
    x = 41,038.07

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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.