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Finding the Fourth Proportional to 69,659.37, 96,129.09 and 37,828.50

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Solution

The fourth proportional to 69,659.37, 96,129.09 and 37,828.50 is: 52,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,659.37 : 96,129.09 = 37,828.50 : x
  2. Step 2: Convert to fraction form
    69,659.37/96,129.09 = 37,828.50/x
  3. Step 3: Cross multiply
    69,659.37x = 96,129.09 × 37,828.50
  4. Step 4: Simplify right side
    69,659.37x = 3,636,419,281.07
  5. Step 5: Solve for x
    x = 3,636,419,281.07/69,659.37
  6. Step 6: Final answer
    x = 52,202.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.