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Finding the Fourth Proportional to 63,683.62, 95,539.23 and 19,313.78

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Solution

The fourth proportional to 63,683.62, 95,539.23 and 19,313.78 is: 28,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,683.62 : 95,539.23 = 19,313.78 : x
  2. Step 2: Convert to fraction form
    63,683.62/95,539.23 = 19,313.78/x
  3. Step 3: Cross multiply
    63,683.62x = 95,539.23 × 19,313.78
  4. Step 4: Simplify right side
    63,683.62x = 1,845,223,191.89
  5. Step 5: Solve for x
    x = 1,845,223,191.89/63,683.62
  6. Step 6: Final answer
    x = 28,974.85

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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.