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Finding the Fourth Proportional to 8,892.67, 13,339.69 and 2,652.20

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Solution

The fourth proportional to 8,892.67, 13,339.69 and 2,652.20 is: 3,978.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.67 : 13,339.69 = 2,652.20 : x
  2. Step 2: Convert to fraction form
    8,892.67/13,339.69 = 2,652.20/x
  3. Step 3: Cross multiply
    8,892.67x = 13,339.69 × 2,652.20
  4. Step 4: Simplify right side
    8,892.67x = 35,379,525.82
  5. Step 5: Solve for x
    x = 35,379,525.82/8,892.67
  6. Step 6: Final answer
    x = 3,978.50

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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.