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Finding the Fourth Proportional to 62,369.58, 86,098.34 and 39,739.59

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Solution

The fourth proportional to 62,369.58, 86,098.34 and 39,739.59 is: 54,858.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,369.58 : 86,098.34 = 39,739.59 : x
  2. Step 2: Convert to fraction form
    62,369.58/86,098.34 = 39,739.59/x
  3. Step 3: Cross multiply
    62,369.58x = 86,098.34 × 39,739.59
  4. Step 4: Simplify right side
    62,369.58x = 3,421,512,532.58
  5. Step 5: Solve for x
    x = 3,421,512,532.58/62,369.58
  6. Step 6: Final answer
    x = 54,858.68

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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.