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Finding the Fourth Proportional to 6,454.42, 9,657.16 and 3,823.34

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Solution

The fourth proportional to 6,454.42, 9,657.16 and 3,823.34 is: 5,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,454.42 : 9,657.16 = 3,823.34 : x
  2. Step 2: Convert to fraction form
    6,454.42/9,657.16 = 3,823.34/x
  3. Step 3: Cross multiply
    6,454.42x = 9,657.16 × 3,823.34
  4. Step 4: Simplify right side
    6,454.42x = 36,922,548.27
  5. Step 5: Solve for x
    x = 36,922,548.27/6,454.42
  6. Step 6: Final answer
    x = 5,720.51

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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.