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Finding the Fourth Proportional to 69,391.59, 104,128.92 and 29,948.73

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Solution

The fourth proportional to 69,391.59, 104,128.92 and 29,948.73 is: 44,941.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,391.59 : 104,128.92 = 29,948.73 : x
  2. Step 2: Convert to fraction form
    69,391.59/104,128.92 = 29,948.73/x
  3. Step 3: Cross multiply
    69,391.59x = 104,128.92 × 29,948.73
  4. Step 4: Simplify right side
    69,391.59x = 3,118,528,910.27
  5. Step 5: Solve for x
    x = 3,118,528,910.27/69,391.59
  6. Step 6: Final answer
    x = 44,941.02

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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.