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Finding the Fourth Proportional to 65,550.26, 90,459.24 and 35,742.26

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Solution

The fourth proportional to 65,550.26, 90,459.24 and 35,742.26 is: 49,324.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,550.26 : 90,459.24 = 35,742.26 : x
  2. Step 2: Convert to fraction form
    65,550.26/90,459.24 = 35,742.26/x
  3. Step 3: Cross multiply
    65,550.26x = 90,459.24 × 35,742.26
  4. Step 4: Simplify right side
    65,550.26x = 3,233,217,675.48
  5. Step 5: Solve for x
    x = 3,233,217,675.48/65,550.26
  6. Step 6: Final answer
    x = 49,324.25

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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.