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Finding the Fourth Proportional to 61,786.94, 85,259.67 and 37,914.62

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Solution

The fourth proportional to 61,786.94, 85,259.67 and 37,914.62 is: 52,318.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,786.94 : 85,259.67 = 37,914.62 : x
  2. Step 2: Convert to fraction form
    61,786.94/85,259.67 = 37,914.62/x
  3. Step 3: Cross multiply
    61,786.94x = 85,259.67 × 37,914.62
  4. Step 4: Simplify right side
    61,786.94x = 3,232,587,989.38
  5. Step 5: Solve for x
    x = 3,232,587,989.38/61,786.94
  6. Step 6: Final answer
    x = 52,318.31

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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.