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Finding the Fourth Proportional to 8,592.68, 12,884.94 and 3,330.15

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Solution

The fourth proportional to 8,592.68, 12,884.94 and 3,330.15 is: 4,993.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.68 : 12,884.94 = 3,330.15 : x
  2. Step 2: Convert to fraction form
    8,592.68/12,884.94 = 3,330.15/x
  3. Step 3: Cross multiply
    8,592.68x = 12,884.94 × 3,330.15
  4. Step 4: Simplify right side
    8,592.68x = 42,908,782.94
  5. Step 5: Solve for x
    x = 42,908,782.94/8,592.68
  6. Step 6: Final answer
    x = 4,993.65

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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.