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Finding the Fourth Proportional to 64,468.98, 96,704.15 and 19,490.73

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Solution

The fourth proportional to 64,468.98, 96,704.15 and 19,490.73 is: 29,236.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,468.98 : 96,704.15 = 19,490.73 : x
  2. Step 2: Convert to fraction form
    64,468.98/96,704.15 = 19,490.73/x
  3. Step 3: Cross multiply
    64,468.98x = 96,704.15 × 19,490.73
  4. Step 4: Simplify right side
    64,468.98x = 1,884,834,017.44
  5. Step 5: Solve for x
    x = 1,884,834,017.44/64,468.98
  6. Step 6: Final answer
    x = 29,236.29

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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.