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Finding the Fourth Proportional to 69,340.04, 95,687.69 and 39,124.59

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Solution

The fourth proportional to 69,340.04, 95,687.69 and 39,124.59 is: 53,991.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,340.04 : 95,687.69 = 39,124.59 : x
  2. Step 2: Convert to fraction form
    69,340.04/95,687.69 = 39,124.59/x
  3. Step 3: Cross multiply
    69,340.04x = 95,687.69 × 39,124.59
  4. Step 4: Simplify right side
    69,340.04x = 3,743,741,639.30
  5. Step 5: Solve for x
    x = 3,743,741,639.30/69,340.04
  6. Step 6: Final answer
    x = 53,991.05

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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.