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Finding the Fourth Proportional to 63,164.94, 94,720.37 and 21,033.60

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Solution

The fourth proportional to 63,164.94, 94,720.37 and 21,033.60 is: 31,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,164.94 : 94,720.37 = 21,033.60 : x
  2. Step 2: Convert to fraction form
    63,164.94/94,720.37 = 21,033.60/x
  3. Step 3: Cross multiply
    63,164.94x = 94,720.37 × 21,033.60
  4. Step 4: Simplify right side
    63,164.94x = 1,992,310,374.43
  5. Step 5: Solve for x
    x = 1,992,310,374.43/63,164.94
  6. Step 6: Final answer
    x = 31,541.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.