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Finding the Fourth Proportional to 63,613.75, 95,420.63 and 19,837.75

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Solution

The fourth proportional to 63,613.75, 95,420.63 and 19,837.75 is: 29,756.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,613.75 : 95,420.63 = 19,837.75 : x
  2. Step 2: Convert to fraction form
    63,613.75/95,420.63 = 19,837.75/x
  3. Step 3: Cross multiply
    63,613.75x = 95,420.63 × 19,837.75
  4. Step 4: Simplify right side
    63,613.75x = 1,892,930,602.78
  5. Step 5: Solve for x
    x = 1,892,930,602.78/63,613.75
  6. Step 6: Final answer
    x = 29,756.63

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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.