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Finding the Fourth Proportional to 59,469.55, 82,071.77 and 39,291.03

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Solution

The fourth proportional to 59,469.55, 82,071.77 and 39,291.03 is: 54,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,469.55 : 82,071.77 = 39,291.03 : x
  2. Step 2: Convert to fraction form
    59,469.55/82,071.77 = 39,291.03/x
  3. Step 3: Cross multiply
    59,469.55x = 82,071.77 × 39,291.03
  4. Step 4: Simplify right side
    59,469.55x = 3,224,684,377.22
  5. Step 5: Solve for x
    x = 3,224,684,377.22/59,469.55
  6. Step 6: Final answer
    x = 54,224.13

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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.