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Finding the Fourth Proportional to 65,647.96, 98,475.99 and 44,579.05

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Solution

The fourth proportional to 65,647.96, 98,475.99 and 44,579.05 is: 66,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,647.96 : 98,475.99 = 44,579.05 : x
  2. Step 2: Convert to fraction form
    65,647.96/98,475.99 = 44,579.05/x
  3. Step 3: Cross multiply
    65,647.96x = 98,475.99 × 44,579.05
  4. Step 4: Simplify right side
    65,647.96x = 4,389,966,082.01
  5. Step 5: Solve for x
    x = 4,389,966,082.01/65,647.96
  6. Step 6: Final answer
    x = 66,871.33

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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.