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Finding the Fourth Proportional to 62,768.68, 86,584.62 and 37,603.60

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Solution

The fourth proportional to 62,768.68, 86,584.62 and 37,603.60 is: 51,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,768.68 : 86,584.62 = 37,603.60 : x
  2. Step 2: Convert to fraction form
    62,768.68/86,584.62 = 37,603.60/x
  3. Step 3: Cross multiply
    62,768.68x = 86,584.62 × 37,603.60
  4. Step 4: Simplify right side
    62,768.68x = 3,255,893,416.63
  5. Step 5: Solve for x
    x = 3,255,893,416.63/62,768.68
  6. Step 6: Final answer
    x = 51,871.31

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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.