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Finding the Fourth Proportional to 65,333.68, 98,003.76 and 18,589.84

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Solution

The fourth proportional to 65,333.68, 98,003.76 and 18,589.84 is: 27,885.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,333.68 : 98,003.76 = 18,589.84 : x
  2. Step 2: Convert to fraction form
    65,333.68/98,003.76 = 18,589.84/x
  3. Step 3: Cross multiply
    65,333.68x = 98,003.76 × 18,589.84
  4. Step 4: Simplify right side
    65,333.68x = 1,821,874,217.80
  5. Step 5: Solve for x
    x = 1,821,874,217.80/65,333.68
  6. Step 6: Final answer
    x = 27,885.68

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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.