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Finding the Fourth Proportional to 62,984.81, 86,879.97 and 37,473.90

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Solution

The fourth proportional to 62,984.81, 86,879.97 and 37,473.90 is: 51,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,984.81 : 86,879.97 = 37,473.90 : x
  2. Step 2: Convert to fraction form
    62,984.81/86,879.97 = 37,473.90/x
  3. Step 3: Cross multiply
    62,984.81x = 86,879.97 × 37,473.90
  4. Step 4: Simplify right side
    62,984.81x = 3,255,731,307.78
  5. Step 5: Solve for x
    x = 3,255,731,307.78/62,984.81
  6. Step 6: Final answer
    x = 51,690.74

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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.