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Finding the Fourth Proportional to 29,975.40, 44,963.10 and 18,311.40

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Solution

The fourth proportional to 29,975.40, 44,963.10 and 18,311.40 is: 27,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,975.40 : 44,963.10 = 18,311.40 : x
  2. Step 2: Convert to fraction form
    29,975.40/44,963.10 = 18,311.40/x
  3. Step 3: Cross multiply
    29,975.40x = 44,963.10 × 18,311.40
  4. Step 4: Simplify right side
    29,975.40x = 823,337,309.34
  5. Step 5: Solve for x
    x = 823,337,309.34/29,975.40
  6. Step 6: Final answer
    x = 27,467.10

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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.