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Finding the Fourth Proportional to 69,663.40, 104,441.52 and 34,575.84

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Solution

The fourth proportional to 69,663.40, 104,441.52 and 34,575.84 is: 51,837.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,663.40 : 104,441.52 = 34,575.84 : x
  2. Step 2: Convert to fraction form
    69,663.40/104,441.52 = 34,575.84/x
  3. Step 3: Cross multiply
    69,663.40x = 104,441.52 × 34,575.84
  4. Step 4: Simplify right side
    69,663.40x = 3,611,153,284.88
  5. Step 5: Solve for x
    x = 3,611,153,284.88/69,663.40
  6. Step 6: Final answer
    x = 51,837.17

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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.