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Finding the Fourth Proportional to 58,376.66, 80,561.77 and 34,523.78

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Solution

The fourth proportional to 58,376.66, 80,561.77 and 34,523.78 is: 47,643.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,376.66 : 80,561.77 = 34,523.78 : x
  2. Step 2: Convert to fraction form
    58,376.66/80,561.77 = 34,523.78/x
  3. Step 3: Cross multiply
    58,376.66x = 80,561.77 × 34,523.78
  4. Step 4: Simplify right side
    58,376.66x = 2,781,296,449.87
  5. Step 5: Solve for x
    x = 2,781,296,449.87/58,376.66
  6. Step 6: Final answer
    x = 47,643.98

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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.