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Finding the Fourth Proportional to 63,699.20, 95,548.80 and 19,323.80

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Solution

The fourth proportional to 63,699.20, 95,548.80 and 19,323.80 is: 28,985.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,699.20 : 95,548.80 = 19,323.80 : x
  2. Step 2: Convert to fraction form
    63,699.20/95,548.80 = 19,323.80/x
  3. Step 3: Cross multiply
    63,699.20x = 95,548.80 × 19,323.80
  4. Step 4: Simplify right side
    63,699.20x = 1,846,365,901.44
  5. Step 5: Solve for x
    x = 1,846,365,901.44/63,699.20
  6. Step 6: Final answer
    x = 28,985.70

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Similar ratio
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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.