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Finding the Fourth Proportional to 65,145.57, 97,720.47 and 22,450.56

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Solution

The fourth proportional to 65,145.57, 97,720.47 and 22,450.56 is: 33,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,145.57 : 97,720.47 = 22,450.56 : x
  2. Step 2: Convert to fraction form
    65,145.57/97,720.47 = 22,450.56/x
  3. Step 3: Cross multiply
    65,145.57x = 97,720.47 × 22,450.56
  4. Step 4: Simplify right side
    65,145.57x = 2,193,879,274.96
  5. Step 5: Solve for x
    x = 2,193,879,274.96/65,145.57
  6. Step 6: Final answer
    x = 33,676.57

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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.