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Finding the Fourth Proportional to 73,893.15, 110,855.93 and 23,978.30

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Solution

The fourth proportional to 73,893.15, 110,855.93 and 23,978.30 is: 35,972.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,893.15 : 110,855.93 = 23,978.30 : x
  2. Step 2: Convert to fraction form
    73,893.15/110,855.93 = 23,978.30/x
  3. Step 3: Cross multiply
    73,893.15x = 110,855.93 × 23,978.30
  4. Step 4: Simplify right side
    73,893.15x = 2,658,136,072.15
  5. Step 5: Solve for x
    x = 2,658,136,072.15/73,893.15
  6. Step 6: Final answer
    x = 35,972.70

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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.