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Finding the Fourth Proportional to 13,269.98, 18,304.98 and 8,293.34

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Solution

The fourth proportional to 13,269.98, 18,304.98 and 8,293.34 is: 11,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.98 : 18,304.98 = 8,293.34 : x
  2. Step 2: Convert to fraction form
    13,269.98/18,304.98 = 8,293.34/x
  3. Step 3: Cross multiply
    13,269.98x = 18,304.98 × 8,293.34
  4. Step 4: Simplify right side
    13,269.98x = 151,809,422.83
  5. Step 5: Solve for x
    x = 151,809,422.83/13,269.98
  6. Step 6: Final answer
    x = 11,440.06

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Double scale
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Similar ratio
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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.