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Finding the Fourth Proportional to 63,365.88, 95,047.74 and 18,991.92

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Solution

The fourth proportional to 63,365.88, 95,047.74 and 18,991.92 is: 28,487.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,365.88 : 95,047.74 = 18,991.92 : x
  2. Step 2: Convert to fraction form
    63,365.88/95,047.74 = 18,991.92/x
  3. Step 3: Cross multiply
    63,365.88x = 95,047.74 × 18,991.92
  4. Step 4: Simplify right side
    63,365.88x = 1,805,139,074.26
  5. Step 5: Solve for x
    x = 1,805,139,074.26/63,365.88
  6. Step 6: Final answer
    x = 28,487.56

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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.