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Finding the Fourth Proportional to 69,016.96, 95,246.79 and 38,811.79

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Solution

The fourth proportional to 69,016.96, 95,246.79 and 38,811.79 is: 53,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,016.96 : 95,246.79 = 38,811.79 : x
  2. Step 2: Convert to fraction form
    69,016.96/95,246.79 = 38,811.79/x
  3. Step 3: Cross multiply
    69,016.96x = 95,246.79 × 38,811.79
  4. Step 4: Simplify right side
    69,016.96x = 3,696,698,411.65
  5. Step 5: Solve for x
    x = 3,696,698,411.65/69,016.96
  6. Step 6: Final answer
    x = 53,562.17

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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.