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Finding the Fourth Proportional to 53,342.87, 80,064.53 and 27,066.47

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Solution

The fourth proportional to 53,342.87, 80,064.53 and 27,066.47 is: 40,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,342.87 : 80,064.53 = 27,066.47 : x
  2. Step 2: Convert to fraction form
    53,342.87/80,064.53 = 27,066.47/x
  3. Step 3: Cross multiply
    53,342.87x = 80,064.53 × 27,066.47
  4. Step 4: Simplify right side
    53,342.87x = 2,167,064,365.64
  5. Step 5: Solve for x
    x = 2,167,064,365.64/53,342.87
  6. Step 6: Final answer
    x = 40,625.19

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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.