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Finding the Fourth Proportional to 58,307.61, 80,450.22 and 32,809

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Solution

The fourth proportional to 58,307.61, 80,450.22 and 32,809 is: 45,268.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,307.61 : 80,450.22 = 32,809 : x
  2. Step 2: Convert to fraction form
    58,307.61/80,450.22 = 32,809/x
  3. Step 3: Cross multiply
    58,307.61x = 80,450.22 × 32,809
  4. Step 4: Simplify right side
    58,307.61x = 2,639,491,267.98
  5. Step 5: Solve for x
    x = 2,639,491,267.98/58,307.61
  6. Step 6: Final answer
    x = 45,268.38

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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.