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Finding the Fourth Proportional to 69,693.48, 104,503.16 and 27,571.86

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Solution

The fourth proportional to 69,693.48, 104,503.16 and 27,571.86 is: 41,343.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,693.48 : 104,503.16 = 27,571.86 : x
  2. Step 2: Convert to fraction form
    69,693.48/104,503.16 = 27,571.86/x
  3. Step 3: Cross multiply
    69,693.48x = 104,503.16 × 27,571.86
  4. Step 4: Simplify right side
    69,693.48x = 2,881,346,566.01
  5. Step 5: Solve for x
    x = 2,881,346,566.01/69,693.48
  6. Step 6: Final answer
    x = 41,343.13

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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.