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Finding the Fourth Proportional to 69,641.98, 104,462.36 and 17,051.51

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Solution

The fourth proportional to 69,641.98, 104,462.36 and 17,051.51 is: 25,577.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,641.98 : 104,462.36 = 17,051.51 : x
  2. Step 2: Convert to fraction form
    69,641.98/104,462.36 = 17,051.51/x
  3. Step 3: Cross multiply
    69,641.98x = 104,462.36 × 17,051.51
  4. Step 4: Simplify right side
    69,641.98x = 1,781,241,216.01
  5. Step 5: Solve for x
    x = 1,781,241,216.01/69,641.98
  6. Step 6: Final answer
    x = 25,577.12

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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.