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Finding the Fourth Proportional to 69,046.68, 95,277.42 and 38,827.20

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Solution

The fourth proportional to 69,046.68, 95,277.42 and 38,827.20 is: 53,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,046.68 : 95,277.42 = 38,827.20 : x
  2. Step 2: Convert to fraction form
    69,046.68/95,277.42 = 38,827.20/x
  3. Step 3: Cross multiply
    69,046.68x = 95,277.42 × 38,827.20
  4. Step 4: Simplify right side
    69,046.68x = 3,699,355,441.82
  5. Step 5: Solve for x
    x = 3,699,355,441.82/69,046.68
  6. Step 6: Final answer
    x = 53,577.60

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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.