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Finding the Fourth Proportional to 69,434.87, 104,130.81 and 25,056

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Solution

The fourth proportional to 69,434.87, 104,130.81 and 25,056 is: 37,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,434.87 : 104,130.81 = 25,056 : x
  2. Step 2: Convert to fraction form
    69,434.87/104,130.81 = 25,056/x
  3. Step 3: Cross multiply
    69,434.87x = 104,130.81 × 25,056
  4. Step 4: Simplify right side
    69,434.87x = 2,609,101,575.36
  5. Step 5: Solve for x
    x = 2,609,101,575.36/69,434.87
  6. Step 6: Final answer
    x = 37,576.25

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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.