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Finding the Fourth Proportional to 6,150.42, 8,487.66 and 3,355.92

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Solution

The fourth proportional to 6,150.42, 8,487.66 and 3,355.92 is: 4,631.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,150.42 : 8,487.66 = 3,355.92 : x
  2. Step 2: Convert to fraction form
    6,150.42/8,487.66 = 3,355.92/x
  3. Step 3: Cross multiply
    6,150.42x = 8,487.66 × 3,355.92
  4. Step 4: Simplify right side
    6,150.42x = 28,483,907.95
  5. Step 5: Solve for x
    x = 28,483,907.95/6,150.42
  6. Step 6: Final answer
    x = 4,631.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.