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Finding the Fourth Proportional to 6,855.42, 10,257.87 and 4,848.18

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Solution

The fourth proportional to 6,855.42, 10,257.87 and 4,848.18 is: 7,254.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,855.42 : 10,257.87 = 4,848.18 : x
  2. Step 2: Convert to fraction form
    6,855.42/10,257.87 = 4,848.18/x
  3. Step 3: Cross multiply
    6,855.42x = 10,257.87 × 4,848.18
  4. Step 4: Simplify right side
    6,855.42x = 49,732,000.18
  5. Step 5: Solve for x
    x = 49,732,000.18/6,855.42
  6. Step 6: Final answer
    x = 7,254.41

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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.