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Finding the Fourth Proportional to 12,369.58, 18,555.24 and 4,974.08

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Solution

The fourth proportional to 12,369.58, 18,555.24 and 4,974.08 is: 7,461.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,369.58 : 18,555.24 = 4,974.08 : x
  2. Step 2: Convert to fraction form
    12,369.58/18,555.24 = 4,974.08/x
  3. Step 3: Cross multiply
    12,369.58x = 18,555.24 × 4,974.08
  4. Step 4: Simplify right side
    12,369.58x = 92,295,174.06
  5. Step 5: Solve for x
    x = 92,295,174.06/12,369.58
  6. Step 6: Final answer
    x = 7,461.47

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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.