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Finding the Fourth Proportional to 13,803.97, 20,703.05 and 4,444.83

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Solution

The fourth proportional to 13,803.97, 20,703.05 and 4,444.83 is: 6,666.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.97 : 20,703.05 = 4,444.83 : x
  2. Step 2: Convert to fraction form
    13,803.97/20,703.05 = 4,444.83/x
  3. Step 3: Cross multiply
    13,803.97x = 20,703.05 × 4,444.83
  4. Step 4: Simplify right side
    13,803.97x = 92,021,537.73
  5. Step 5: Solve for x
    x = 92,021,537.73/13,803.97
  6. Step 6: Final answer
    x = 6,666.31

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.