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Finding the Fourth Proportional to 69,659.79, 96,129.66 and 37,828.90

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Solution

The fourth proportional to 69,659.79, 96,129.66 and 37,828.90 is: 52,203.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,659.79 : 96,129.66 = 37,828.90 : x
  2. Step 2: Convert to fraction form
    69,659.79/96,129.66 = 37,828.90/x
  3. Step 3: Cross multiply
    69,659.79x = 96,129.66 × 37,828.90
  4. Step 4: Simplify right side
    69,659.79x = 3,636,479,295.17
  5. Step 5: Solve for x
    x = 3,636,479,295.17/69,659.79
  6. Step 6: Final answer
    x = 52,203.42

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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.