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Finding the Fourth Proportional to 4,995.60, 7,491.97 and 1,485.46

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Solution

The fourth proportional to 4,995.60, 7,491.97 and 1,485.46 is: 2,227.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.60 : 7,491.97 = 1,485.46 : x
  2. Step 2: Convert to fraction form
    4,995.60/7,491.97 = 1,485.46/x
  3. Step 3: Cross multiply
    4,995.60x = 7,491.97 × 1,485.46
  4. Step 4: Simplify right side
    4,995.60x = 11,129,021.76
  5. Step 5: Solve for x
    x = 11,129,021.76/4,995.60
  6. Step 6: Final answer
    x = 2,227.76

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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.