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Finding the Fourth Proportional to 14,047.34, 19,394.44 and 8,744.30

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Solution

The fourth proportional to 14,047.34, 19,394.44 and 8,744.30 is: 12,072.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.34 : 19,394.44 = 8,744.30 : x
  2. Step 2: Convert to fraction form
    14,047.34/19,394.44 = 8,744.30/x
  3. Step 3: Cross multiply
    14,047.34x = 19,394.44 × 8,744.30
  4. Step 4: Simplify right side
    14,047.34x = 169,590,801.69
  5. Step 5: Solve for x
    x = 169,590,801.69/14,047.34
  6. Step 6: Final answer
    x = 12,072.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.