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Finding the Fourth Proportional to 69,969.33, 104,968.98 and 25,595.91

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Solution

The fourth proportional to 69,969.33, 104,968.98 and 25,595.91 is: 38,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,969.33 : 104,968.98 = 25,595.91 : x
  2. Step 2: Convert to fraction form
    69,969.33/104,968.98 = 25,595.91/x
  3. Step 3: Cross multiply
    69,969.33x = 104,968.98 × 25,595.91
  4. Step 4: Simplify right side
    69,969.33x = 2,686,776,564.87
  5. Step 5: Solve for x
    x = 2,686,776,564.87/69,969.33
  6. Step 6: Final answer
    x = 38,399.35

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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.