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Finding the Fourth Proportional to 13,706.34, 18,914.88 and 8,044.44

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Solution

The fourth proportional to 13,706.34, 18,914.88 and 8,044.44 is: 11,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706.34 : 18,914.88 = 8,044.44 : x
  2. Step 2: Convert to fraction form
    13,706.34/18,914.88 = 8,044.44/x
  3. Step 3: Cross multiply
    13,706.34x = 18,914.88 × 8,044.44
  4. Step 4: Simplify right side
    13,706.34x = 152,159,617.27
  5. Step 5: Solve for x
    x = 152,159,617.27/13,706.34
  6. Step 6: Final answer
    x = 11,101.40

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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.