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Finding the Fourth Proportional to 63,840.30, 95,760.45 and 16,455.30

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Solution

The fourth proportional to 63,840.30, 95,760.45 and 16,455.30 is: 24,682.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,840.30 : 95,760.45 = 16,455.30 : x
  2. Step 2: Convert to fraction form
    63,840.30/95,760.45 = 16,455.30/x
  3. Step 3: Cross multiply
    63,840.30x = 95,760.45 × 16,455.30
  4. Step 4: Simplify right side
    63,840.30x = 1,575,766,932.89
  5. Step 5: Solve for x
    x = 1,575,766,932.89/63,840.30
  6. Step 6: Final answer
    x = 24,682.95

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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.