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Finding the Fourth Proportional to 11,344.98, 16,987.47 and 8,884.74

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Solution

The fourth proportional to 11,344.98, 16,987.47 and 8,884.74 is: 13,303.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,344.98 : 16,987.47 = 8,884.74 : x
  2. Step 2: Convert to fraction form
    11,344.98/16,987.47 = 8,884.74/x
  3. Step 3: Cross multiply
    11,344.98x = 16,987.47 × 8,884.74
  4. Step 4: Simplify right side
    11,344.98x = 150,929,254.21
  5. Step 5: Solve for x
    x = 150,929,254.21/11,344.98
  6. Step 6: Final answer
    x = 13,303.62

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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.