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Finding the Fourth Proportional to 12,326.53, 18,472.11 and 5,304.64

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Solution

The fourth proportional to 12,326.53, 18,472.11 and 5,304.64 is: 7,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,326.53 : 18,472.11 = 5,304.64 : x
  2. Step 2: Convert to fraction form
    12,326.53/18,472.11 = 5,304.64/x
  3. Step 3: Cross multiply
    12,326.53x = 18,472.11 × 5,304.64
  4. Step 4: Simplify right side
    12,326.53x = 97,987,893.59
  5. Step 5: Solve for x
    x = 97,987,893.59/12,326.53
  6. Step 6: Final answer
    x = 7,949.35

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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.