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Finding the Fourth Proportional to 8,855.73, 13,280.81 and 3,592.10

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Solution

The fourth proportional to 8,855.73, 13,280.81 and 3,592.10 is: 5,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.73 : 13,280.81 = 3,592.10 : x
  2. Step 2: Convert to fraction form
    8,855.73/13,280.81 = 3,592.10/x
  3. Step 3: Cross multiply
    8,855.73x = 13,280.81 × 3,592.10
  4. Step 4: Simplify right side
    8,855.73x = 47,705,958.34
  5. Step 5: Solve for x
    x = 47,705,958.34/8,855.73
  6. Step 6: Final answer
    x = 5,387.02

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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.