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Finding the Fourth Proportional to 65,427.96, 90,241.74 and 44,185.08

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Solution

The fourth proportional to 65,427.96, 90,241.74 and 44,185.08 is: 60,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,427.96 : 90,241.74 = 44,185.08 : x
  2. Step 2: Convert to fraction form
    65,427.96/90,241.74 = 44,185.08/x
  3. Step 3: Cross multiply
    65,427.96x = 90,241.74 × 44,185.08
  4. Step 4: Simplify right side
    65,427.96x = 3,987,338,501.24
  5. Step 5: Solve for x
    x = 3,987,338,501.24/65,427.96
  6. Step 6: Final answer
    x = 60,942.42

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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.