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Finding the Fourth Proportional to 65,169.09, 89,933.29 and 35,361.09

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Solution

The fourth proportional to 65,169.09, 89,933.29 and 35,361.09 is: 48,798.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,169.09 : 89,933.29 = 35,361.09 : x
  2. Step 2: Convert to fraction form
    65,169.09/89,933.29 = 35,361.09/x
  3. Step 3: Cross multiply
    65,169.09x = 89,933.29 × 35,361.09
  4. Step 4: Simplify right side
    65,169.09x = 3,180,139,161.69
  5. Step 5: Solve for x
    x = 3,180,139,161.69/65,169.09
  6. Step 6: Final answer
    x = 48,798.27

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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.