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Finding the Fourth Proportional to 69,506.13, 95,919.95 and 39,289.65

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Solution

The fourth proportional to 69,506.13, 95,919.95 and 39,289.65 is: 54,220.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,506.13 : 95,919.95 = 39,289.65 : x
  2. Step 2: Convert to fraction form
    69,506.13/95,919.95 = 39,289.65/x
  3. Step 3: Cross multiply
    69,506.13x = 95,919.95 × 39,289.65
  4. Step 4: Simplify right side
    69,506.13x = 3,768,661,263.52
  5. Step 5: Solve for x
    x = 3,768,661,263.52/69,506.13
  6. Step 6: Final answer
    x = 54,220.56

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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.