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Finding the Fourth Proportional to 9,091.99, 13,637.99 and 2,852.55

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Solution

The fourth proportional to 9,091.99, 13,637.99 and 2,852.55 is: 4,278.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.99 : 13,637.99 = 2,852.55 : x
  2. Step 2: Convert to fraction form
    9,091.99/13,637.99 = 2,852.55/x
  3. Step 3: Cross multiply
    9,091.99x = 13,637.99 × 2,852.55
  4. Step 4: Simplify right side
    9,091.99x = 38,903,048.37
  5. Step 5: Solve for x
    x = 38,903,048.37/9,091.99
  6. Step 6: Final answer
    x = 4,278.83

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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.