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Finding the Fourth Proportional to 24,640.21, 34,003.47 and 13,462.21

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Solution

The fourth proportional to 24,640.21, 34,003.47 and 13,462.21 is: 18,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,640.21 : 34,003.47 = 13,462.21 : x
  2. Step 2: Convert to fraction form
    24,640.21/34,003.47 = 13,462.21/x
  3. Step 3: Cross multiply
    24,640.21x = 34,003.47 × 13,462.21
  4. Step 4: Simplify right side
    24,640.21x = 457,761,853.87
  5. Step 5: Solve for x
    x = 457,761,853.87/24,640.21
  6. Step 6: Final answer
    x = 18,577.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.