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Finding the Fourth Proportional to 69,359.74, 95,716.76 and 39,146.33

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Solution

The fourth proportional to 69,359.74, 95,716.76 and 39,146.33 is: 54,022.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,359.74 : 95,716.76 = 39,146.33 : x
  2. Step 2: Convert to fraction form
    69,359.74/95,716.76 = 39,146.33/x
  3. Step 3: Cross multiply
    69,359.74x = 95,716.76 × 39,146.33
  4. Step 4: Simplify right side
    69,359.74x = 3,746,960,210.65
  5. Step 5: Solve for x
    x = 3,746,960,210.65/69,359.74
  6. Step 6: Final answer
    x = 54,022.12

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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.