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Finding the Fourth Proportional to 69,717.94, 96,207.60 and 39,502.60

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Solution

The fourth proportional to 69,717.94, 96,207.60 and 39,502.60 is: 54,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,717.94 : 96,207.60 = 39,502.60 : x
  2. Step 2: Convert to fraction form
    69,717.94/96,207.60 = 39,502.60/x
  3. Step 3: Cross multiply
    69,717.94x = 96,207.60 × 39,502.60
  4. Step 4: Simplify right side
    69,717.94x = 3,800,450,339.76
  5. Step 5: Solve for x
    x = 3,800,450,339.76/69,717.94
  6. Step 6: Final answer
    x = 54,511.80

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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.