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Finding the Fourth Proportional to 12,376.44, 18,569.22 and 5,804.76

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Solution

The fourth proportional to 12,376.44, 18,569.22 and 5,804.76 is: 8,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.44 : 18,569.22 = 5,804.76 : x
  2. Step 2: Convert to fraction form
    12,376.44/18,569.22 = 5,804.76/x
  3. Step 3: Cross multiply
    12,376.44x = 18,569.22 × 5,804.76
  4. Step 4: Simplify right side
    12,376.44x = 107,789,865.49
  5. Step 5: Solve for x
    x = 107,789,865.49/12,376.44
  6. Step 6: Final answer
    x = 8,709.28

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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.