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Finding the Fourth Proportional to 69,698.88, 104,548.32 and 25,317.36

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Solution

The fourth proportional to 69,698.88, 104,548.32 and 25,317.36 is: 37,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,698.88 : 104,548.32 = 25,317.36 : x
  2. Step 2: Convert to fraction form
    69,698.88/104,548.32 = 25,317.36/x
  3. Step 3: Cross multiply
    69,698.88x = 104,548.32 × 25,317.36
  4. Step 4: Simplify right side
    69,698.88x = 2,646,887,454.84
  5. Step 5: Solve for x
    x = 2,646,887,454.84/69,698.88
  6. Step 6: Final answer
    x = 37,976.04

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Similar ratio
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1.5x scale

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.