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Finding the Fourth Proportional to 65,593.50, 98,406.90 and 18,846.42

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Solution

The fourth proportional to 65,593.50, 98,406.90 and 18,846.42 is: 28,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,593.50 : 98,406.90 = 18,846.42 : x
  2. Step 2: Convert to fraction form
    65,593.50/98,406.90 = 18,846.42/x
  3. Step 3: Cross multiply
    65,593.50x = 98,406.90 × 18,846.42
  4. Step 4: Simplify right side
    65,593.50x = 1,854,617,768.30
  5. Step 5: Solve for x
    x = 1,854,617,768.30/65,593.50
  6. Step 6: Final answer
    x = 28,274.41

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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.