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Finding the Fourth Proportional to 13,394.58, 20,089.58 and 3,533.96

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Solution

The fourth proportional to 13,394.58, 20,089.58 and 3,533.96 is: 5,300.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.58 : 20,089.58 = 3,533.96 : x
  2. Step 2: Convert to fraction form
    13,394.58/20,089.58 = 3,533.96/x
  3. Step 3: Cross multiply
    13,394.58x = 20,089.58 × 3,533.96
  4. Step 4: Simplify right side
    13,394.58x = 70,995,654.02
  5. Step 5: Solve for x
    x = 70,995,654.02/13,394.58
  6. Step 6: Final answer
    x = 5,300.33

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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.