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Finding the Fourth Proportional to 8,836.63, 13,254.13 and 2,992.88

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Solution

The fourth proportional to 8,836.63, 13,254.13 and 2,992.88 is: 4,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836.63 : 13,254.13 = 2,992.88 : x
  2. Step 2: Convert to fraction form
    8,836.63/13,254.13 = 2,992.88/x
  3. Step 3: Cross multiply
    8,836.63x = 13,254.13 × 2,992.88
  4. Step 4: Simplify right side
    8,836.63x = 39,668,057.47
  5. Step 5: Solve for x
    x = 39,668,057.47/8,836.63
  6. Step 6: Final answer
    x = 4,489.05

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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.