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Finding the Fourth Proportional to 18,572.01, 27,843.43 and 12,710.85

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Solution

The fourth proportional to 18,572.01, 27,843.43 and 12,710.85 is: 19,056.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,572.01 : 27,843.43 = 12,710.85 : x
  2. Step 2: Convert to fraction form
    18,572.01/27,843.43 = 12,710.85/x
  3. Step 3: Cross multiply
    18,572.01x = 27,843.43 × 12,710.85
  4. Step 4: Simplify right side
    18,572.01x = 353,913,662.22
  5. Step 5: Solve for x
    x = 353,913,662.22/18,572.01
  6. Step 6: Final answer
    x = 19,056.29

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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.