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Finding the Fourth Proportional to 16,491.64, 24,708.64 and 13,736.04

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Solution

The fourth proportional to 16,491.64, 24,708.64 and 13,736.04 is: 20,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,491.64 : 24,708.64 = 13,736.04 : x
  2. Step 2: Convert to fraction form
    16,491.64/24,708.64 = 13,736.04/x
  3. Step 3: Cross multiply
    16,491.64x = 24,708.64 × 13,736.04
  4. Step 4: Simplify right side
    16,491.64x = 339,398,867.39
  5. Step 5: Solve for x
    x = 339,398,867.39/16,491.64
  6. Step 6: Final answer
    x = 20,580.06

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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.