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Finding the Fourth Proportional to 11,343.58, 17,011.58 and 4,768.54

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Solution

The fourth proportional to 11,343.58, 17,011.58 and 4,768.54 is: 7,151.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,343.58 : 17,011.58 = 4,768.54 : x
  2. Step 2: Convert to fraction form
    11,343.58/17,011.58 = 4,768.54/x
  3. Step 3: Cross multiply
    11,343.58x = 17,011.58 × 4,768.54
  4. Step 4: Simplify right side
    11,343.58x = 81,120,399.69
  5. Step 5: Solve for x
    x = 81,120,399.69/11,343.58
  6. Step 6: Final answer
    x = 7,151.22

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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.