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Finding the Fourth Proportional to 14,206.68, 19,617.60 and 8,910.60

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Solution

The fourth proportional to 14,206.68, 19,617.60 and 8,910.60 is: 12,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.68 : 19,617.60 = 8,910.60 : x
  2. Step 2: Convert to fraction form
    14,206.68/19,617.60 = 8,910.60/x
  3. Step 3: Cross multiply
    14,206.68x = 19,617.60 × 8,910.60
  4. Step 4: Simplify right side
    14,206.68x = 174,804,586.56
  5. Step 5: Solve for x
    x = 174,804,586.56/14,206.68
  6. Step 6: Final answer
    x = 12,304.39

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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.