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Finding the Fourth Proportional to 69,574.39, 104,352.33 and 19,659.01

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Solution

The fourth proportional to 69,574.39, 104,352.33 and 19,659.01 is: 29,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,574.39 : 104,352.33 = 19,659.01 : x
  2. Step 2: Convert to fraction form
    69,574.39/104,352.33 = 19,659.01/x
  3. Step 3: Cross multiply
    69,574.39x = 104,352.33 × 19,659.01
  4. Step 4: Simplify right side
    69,574.39x = 2,051,463,498.99
  5. Step 5: Solve for x
    x = 2,051,463,498.99/69,574.39
  6. Step 6: Final answer
    x = 29,485.90

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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.