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Finding the Fourth Proportional to 12,593.96, 18,893.48 and 7,055.20

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Solution

The fourth proportional to 12,593.96, 18,893.48 and 7,055.20 is: 10,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593.96 : 18,893.48 = 7,055.20 : x
  2. Step 2: Convert to fraction form
    12,593.96/18,893.48 = 7,055.20/x
  3. Step 3: Cross multiply
    12,593.96x = 18,893.48 × 7,055.20
  4. Step 4: Simplify right side
    12,593.96x = 133,297,280.10
  5. Step 5: Solve for x
    x = 133,297,280.10/12,593.96
  6. Step 6: Final answer
    x = 10,584.22

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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.