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Finding the Fourth Proportional to 4,614.22, 6,921.33 and 4,153.93

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Solution

The fourth proportional to 4,614.22, 6,921.33 and 4,153.93 is: 6,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,614.22 : 6,921.33 = 4,153.93 : x
  2. Step 2: Convert to fraction form
    4,614.22/6,921.33 = 4,153.93/x
  3. Step 3: Cross multiply
    4,614.22x = 6,921.33 × 4,153.93
  4. Step 4: Simplify right side
    4,614.22x = 28,750,720.33
  5. Step 5: Solve for x
    x = 28,750,720.33/4,614.22
  6. Step 6: Final answer
    x = 6,230.90

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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.