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Finding the Fourth Proportional to 69,595.80, 104,393.20 and 17,004.80

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Solution

The fourth proportional to 69,595.80, 104,393.20 and 17,004.80 is: 25,507.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,595.80 : 104,393.20 = 17,004.80 : x
  2. Step 2: Convert to fraction form
    69,595.80/104,393.20 = 17,004.80/x
  3. Step 3: Cross multiply
    69,595.80x = 104,393.20 × 17,004.80
  4. Step 4: Simplify right side
    69,595.80x = 1,775,185,487.36
  5. Step 5: Solve for x
    x = 1,775,185,487.36/69,595.80
  6. Step 6: Final answer
    x = 25,507.08

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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.