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Finding the Fourth Proportional to 6,078.95, 8,382.89 and 4,482.89

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Solution

The fourth proportional to 6,078.95, 8,382.89 and 4,482.89 is: 6,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.95 : 8,382.89 = 4,482.89 : x
  2. Step 2: Convert to fraction form
    6,078.95/8,382.89 = 4,482.89/x
  3. Step 3: Cross multiply
    6,078.95x = 8,382.89 × 4,482.89
  4. Step 4: Simplify right side
    6,078.95x = 37,579,621.63
  5. Step 5: Solve for x
    x = 37,579,621.63/6,078.95
  6. Step 6: Final answer
    x = 6,181.93

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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.