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Finding the Fourth Proportional to 63,975.70, 95,963.55 and 56,199.70

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Solution

The fourth proportional to 63,975.70, 95,963.55 and 56,199.70 is: 84,299.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,975.70 : 95,963.55 = 56,199.70 : x
  2. Step 2: Convert to fraction form
    63,975.70/95,963.55 = 56,199.70/x
  3. Step 3: Cross multiply
    63,975.70x = 95,963.55 × 56,199.70
  4. Step 4: Simplify right side
    63,975.70x = 5,393,122,720.94
  5. Step 5: Solve for x
    x = 5,393,122,720.94/63,975.70
  6. Step 6: Final answer
    x = 84,299.55

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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.