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Finding the Fourth Proportional to 7,991.01, 11,026.02 and 4,453.56

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Solution

The fourth proportional to 7,991.01, 11,026.02 and 4,453.56 is: 6,145.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.01 : 11,026.02 = 4,453.56 : x
  2. Step 2: Convert to fraction form
    7,991.01/11,026.02 = 4,453.56/x
  3. Step 3: Cross multiply
    7,991.01x = 11,026.02 × 4,453.56
  4. Step 4: Simplify right side
    7,991.01x = 49,105,041.63
  5. Step 5: Solve for x
    x = 49,105,041.63/7,991.01
  6. Step 6: Final answer
    x = 6,145.04

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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.