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Finding the Fourth Proportional to 69,313.96, 95,653.38 and 39,505.96

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Solution

The fourth proportional to 69,313.96, 95,653.38 and 39,505.96 is: 54,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,313.96 : 95,653.38 = 39,505.96 : x
  2. Step 2: Convert to fraction form
    69,313.96/95,653.38 = 39,505.96/x
  3. Step 3: Cross multiply
    69,313.96x = 95,653.38 × 39,505.96
  4. Step 4: Simplify right side
    69,313.96x = 3,778,878,604.14
  5. Step 5: Solve for x
    x = 3,778,878,604.14/69,313.96
  6. Step 6: Final answer
    x = 54,518.29

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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.