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Finding the Fourth Proportional to 65,169.84, 89,934.33 and 35,361.84

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Solution

The fourth proportional to 65,169.84, 89,934.33 and 35,361.84 is: 48,799.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,169.84 : 89,934.33 = 35,361.84 : x
  2. Step 2: Convert to fraction form
    65,169.84/89,934.33 = 35,361.84/x
  3. Step 3: Cross multiply
    65,169.84x = 89,934.33 × 35,361.84
  4. Step 4: Simplify right side
    65,169.84x = 3,180,243,387.97
  5. Step 5: Solve for x
    x = 3,180,243,387.97/65,169.84
  6. Step 6: Final answer
    x = 48,799.31

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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.