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Finding the Fourth Proportional to 69,014.70, 95,238.08 and 38,801.30

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Solution

The fourth proportional to 69,014.70, 95,238.08 and 38,801.30 is: 53,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,014.70 : 95,238.08 = 38,801.30 : x
  2. Step 2: Convert to fraction form
    69,014.70/95,238.08 = 38,801.30/x
  3. Step 3: Cross multiply
    69,014.70x = 95,238.08 × 38,801.30
  4. Step 4: Simplify right side
    69,014.70x = 3,695,361,313.50
  5. Step 5: Solve for x
    x = 3,695,361,313.50/69,014.70
  6. Step 6: Final answer
    x = 53,544.55

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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.