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Finding the Fourth Proportional to 11,244.10, 16,866.15 and 8,328.10

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Solution

The fourth proportional to 11,244.10, 16,866.15 and 8,328.10 is: 12,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.10 : 16,866.15 = 8,328.10 : x
  2. Step 2: Convert to fraction form
    11,244.10/16,866.15 = 8,328.10/x
  3. Step 3: Cross multiply
    11,244.10x = 16,866.15 × 8,328.10
  4. Step 4: Simplify right side
    11,244.10x = 140,462,983.82
  5. Step 5: Solve for x
    x = 140,462,983.82/11,244.10
  6. Step 6: Final answer
    x = 12,492.15

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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.