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Finding the Fourth Proportional to 6,482.58, 8,942.85 and 4,243.47

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Solution

The fourth proportional to 6,482.58, 8,942.85 and 4,243.47 is: 5,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.58 : 8,942.85 = 4,243.47 : x
  2. Step 2: Convert to fraction form
    6,482.58/8,942.85 = 4,243.47/x
  3. Step 3: Cross multiply
    6,482.58x = 8,942.85 × 4,243.47
  4. Step 4: Simplify right side
    6,482.58x = 37,948,715.69
  5. Step 5: Solve for x
    x = 37,948,715.69/6,482.58
  6. Step 6: Final answer
    x = 5,853.95

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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.