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Finding the Fourth Proportional to 64,523.98, 89,052.78 and 46,434.59

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Solution

The fourth proportional to 64,523.98, 89,052.78 and 46,434.59 is: 64,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,523.98 : 89,052.78 = 46,434.59 : x
  2. Step 2: Convert to fraction form
    64,523.98/89,052.78 = 46,434.59/x
  3. Step 3: Cross multiply
    64,523.98x = 89,052.78 × 46,434.59
  4. Step 4: Simplify right side
    64,523.98x = 4,135,129,327.66
  5. Step 5: Solve for x
    x = 4,135,129,327.66/64,523.98
  6. Step 6: Final answer
    x = 64,086.71

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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.