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Finding the Fourth Proportional to 6,410.95, 8,846.95 and 4,168.59

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Solution

The fourth proportional to 6,410.95, 8,846.95 and 4,168.59 is: 5,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,410.95 : 8,846.95 = 4,168.59 : x
  2. Step 2: Convert to fraction form
    6,410.95/8,846.95 = 4,168.59/x
  3. Step 3: Cross multiply
    6,410.95x = 8,846.95 × 4,168.59
  4. Step 4: Simplify right side
    6,410.95x = 36,879,284.68
  5. Step 5: Solve for x
    x = 36,879,284.68/6,410.95
  6. Step 6: Final answer
    x = 5,752.55

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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.