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Finding the Fourth Proportional to 69,785.54, 104,594.91 and 25,360.28

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Solution

The fourth proportional to 69,785.54, 104,594.91 and 25,360.28 is: 38,010.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,785.54 : 104,594.91 = 25,360.28 : x
  2. Step 2: Convert to fraction form
    69,785.54/104,594.91 = 25,360.28/x
  3. Step 3: Cross multiply
    69,785.54x = 104,594.91 × 25,360.28
  4. Step 4: Simplify right side
    69,785.54x = 2,652,555,681.20
  5. Step 5: Solve for x
    x = 2,652,555,681.20/69,785.54
  6. Step 6: Final answer
    x = 38,010.11

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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.