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Finding the Fourth Proportional to 64,771.68, 97,092.72 and 55,850.88

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Solution

The fourth proportional to 64,771.68, 97,092.72 and 55,850.88 is: 83,720.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,771.68 : 97,092.72 = 55,850.88 : x
  2. Step 2: Convert to fraction form
    64,771.68/97,092.72 = 55,850.88/x
  3. Step 3: Cross multiply
    64,771.68x = 97,092.72 × 55,850.88
  4. Step 4: Simplify right side
    64,771.68x = 5,422,713,853.59
  5. Step 5: Solve for x
    x = 5,422,713,853.59/64,771.68
  6. Step 6: Final answer
    x = 83,720.44

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1.5x scale

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.