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Finding the Fourth Proportional to 69,889.56, 104,808.42 and 37,862.28

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Solution

The fourth proportional to 69,889.56, 104,808.42 and 37,862.28 is: 56,779.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,889.56 : 104,808.42 = 37,862.28 : x
  2. Step 2: Convert to fraction form
    69,889.56/104,808.42 = 37,862.28/x
  3. Step 3: Cross multiply
    69,889.56x = 104,808.42 × 37,862.28
  4. Step 4: Simplify right side
    69,889.56x = 3,968,285,744.40
  5. Step 5: Solve for x
    x = 3,968,285,744.40/69,889.56
  6. Step 6: Final answer
    x = 56,779.38

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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.