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Finding the Fourth Proportional to 69,068.63, 95,313.81 and 38,853.88

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Solution

The fourth proportional to 69,068.63, 95,313.81 and 38,853.88 is: 53,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,068.63 : 95,313.81 = 38,853.88 : x
  2. Step 2: Convert to fraction form
    69,068.63/95,313.81 = 38,853.88/x
  3. Step 3: Cross multiply
    69,068.63x = 95,313.81 × 38,853.88
  4. Step 4: Simplify right side
    69,068.63x = 3,703,311,243.50
  5. Step 5: Solve for x
    x = 3,703,311,243.50/69,068.63
  6. Step 6: Final answer
    x = 53,617.85

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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.