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Finding the Fourth Proportional to 14,969.04, 20,651.97 and 8,996.10

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Solution

The fourth proportional to 14,969.04, 20,651.97 and 8,996.10 is: 12,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969.04 : 20,651.97 = 8,996.10 : x
  2. Step 2: Convert to fraction form
    14,969.04/20,651.97 = 8,996.10/x
  3. Step 3: Cross multiply
    14,969.04x = 20,651.97 × 8,996.10
  4. Step 4: Simplify right side
    14,969.04x = 185,787,187.32
  5. Step 5: Solve for x
    x = 185,787,187.32/14,969.04
  6. Step 6: Final answer
    x = 12,411.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.