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Finding the Fourth Proportional to 62,911.59, 86,789.38 and 37,403.49

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Solution

The fourth proportional to 62,911.59, 86,789.38 and 37,403.49 is: 51,599.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,911.59 : 86,789.38 = 37,403.49 : x
  2. Step 2: Convert to fraction form
    62,911.59/86,789.38 = 37,403.49/x
  3. Step 3: Cross multiply
    62,911.59x = 86,789.38 × 37,403.49
  4. Step 4: Simplify right side
    62,911.59x = 3,246,225,706.94
  5. Step 5: Solve for x
    x = 3,246,225,706.94/62,911.59
  6. Step 6: Final answer
    x = 51,599.80

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1.5x scale

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.