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Finding the Fourth Proportional to 8,892.78, 13,339.84 and 2,652.30

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Solution

The fourth proportional to 8,892.78, 13,339.84 and 2,652.30 is: 3,978.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.78 : 13,339.84 = 2,652.30 : x
  2. Step 2: Convert to fraction form
    8,892.78/13,339.84 = 2,652.30/x
  3. Step 3: Cross multiply
    8,892.78x = 13,339.84 × 2,652.30
  4. Step 4: Simplify right side
    8,892.78x = 35,381,257.63
  5. Step 5: Solve for x
    x = 35,381,257.63/8,892.78
  6. Step 6: Final answer
    x = 3,978.65

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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.