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Finding the Fourth Proportional to 57,814.13, 86,721.21 and 16,261.13

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Solution

The fourth proportional to 57,814.13, 86,721.21 and 16,261.13 is: 24,391.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,814.13 : 86,721.21 = 16,261.13 : x
  2. Step 2: Convert to fraction form
    57,814.13/86,721.21 = 16,261.13/x
  3. Step 3: Cross multiply
    57,814.13x = 86,721.21 × 16,261.13
  4. Step 4: Simplify right side
    57,814.13x = 1,410,184,435.96
  5. Step 5: Solve for x
    x = 1,410,184,435.96/57,814.13
  6. Step 6: Final answer
    x = 24,391.69

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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.