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Finding the Fourth Proportional to 64,167.78, 96,252.12 and 19,793.55

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Solution

The fourth proportional to 64,167.78, 96,252.12 and 19,793.55 is: 29,690.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,167.78 : 96,252.12 = 19,793.55 : x
  2. Step 2: Convert to fraction form
    64,167.78/96,252.12 = 19,793.55/x
  3. Step 3: Cross multiply
    64,167.78x = 96,252.12 × 19,793.55
  4. Step 4: Simplify right side
    64,167.78x = 1,905,171,149.83
  5. Step 5: Solve for x
    x = 1,905,171,149.83/64,167.78
  6. Step 6: Final answer
    x = 29,690.46

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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.