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Finding the Fourth Proportional to 63,646.87, 95,474.92 and 19,277.09

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Solution

The fourth proportional to 63,646.87, 95,474.92 and 19,277.09 is: 28,917.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,646.87 : 95,474.92 = 19,277.09 : x
  2. Step 2: Convert to fraction form
    63,646.87/95,474.92 = 19,277.09/x
  3. Step 3: Cross multiply
    63,646.87x = 95,474.92 × 19,277.09
  4. Step 4: Simplify right side
    63,646.87x = 1,840,478,148.21
  5. Step 5: Solve for x
    x = 1,840,478,148.21/63,646.87
  6. Step 6: Final answer
    x = 28,917.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.