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Finding the Fourth Proportional to 79,984.54, 110,372.25 and 45,991.27

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Solution

The fourth proportional to 79,984.54, 110,372.25 and 45,991.27 is: 63,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,984.54 : 110,372.25 = 45,991.27 : x
  2. Step 2: Convert to fraction form
    79,984.54/110,372.25 = 45,991.27/x
  3. Step 3: Cross multiply
    79,984.54x = 110,372.25 × 45,991.27
  4. Step 4: Simplify right side
    79,984.54x = 5,076,159,950.26
  5. Step 5: Solve for x
    x = 5,076,159,950.26/79,984.54
  6. Step 6: Final answer
    x = 63,464.26

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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.