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Finding the Fourth Proportional to 58,393.86, 80,583.53 and 31,536.37

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Solution

The fourth proportional to 58,393.86, 80,583.53 and 31,536.37 is: 43,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,393.86 : 80,583.53 = 31,536.37 : x
  2. Step 2: Convert to fraction form
    58,393.86/80,583.53 = 31,536.37/x
  3. Step 3: Cross multiply
    58,393.86x = 80,583.53 × 31,536.37
  4. Step 4: Simplify right side
    58,393.86x = 2,541,312,017.99
  5. Step 5: Solve for x
    x = 2,541,312,017.99/58,393.86
  6. Step 6: Final answer
    x = 43,520.19

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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.