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Finding the Fourth Proportional to 69,523.30, 95,947.06 and 39,308.91

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Solution

The fourth proportional to 69,523.30, 95,947.06 and 39,308.91 is: 54,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,523.30 : 95,947.06 = 39,308.91 : x
  2. Step 2: Convert to fraction form
    69,523.30/95,947.06 = 39,308.91/x
  3. Step 3: Cross multiply
    69,523.30x = 95,947.06 × 39,308.91
  4. Step 4: Simplify right side
    69,523.30x = 3,771,574,346.30
  5. Step 5: Solve for x
    x = 3,771,574,346.30/69,523.30
  6. Step 6: Final answer
    x = 54,249.07

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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.