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Finding the Fourth Proportional to 12,524.64, 18,695.04 and 11,048.32

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Solution

The fourth proportional to 12,524.64, 18,695.04 and 11,048.32 is: 16,491.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,524.64 : 18,695.04 = 11,048.32 : x
  2. Step 2: Convert to fraction form
    12,524.64/18,695.04 = 11,048.32/x
  3. Step 3: Cross multiply
    12,524.64x = 18,695.04 × 11,048.32
  4. Step 4: Simplify right side
    12,524.64x = 206,548,784.33
  5. Step 5: Solve for x
    x = 206,548,784.33/12,524.64
  6. Step 6: Final answer
    x = 16,491.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.