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Finding the Fourth Proportional to 4,605.55, 6,908.13 and 1,485.73

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Solution

The fourth proportional to 4,605.55, 6,908.13 and 1,485.73 is: 2,228.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,605.55 : 6,908.13 = 1,485.73 : x
  2. Step 2: Convert to fraction form
    4,605.55/6,908.13 = 1,485.73/x
  3. Step 3: Cross multiply
    4,605.55x = 6,908.13 × 1,485.73
  4. Step 4: Simplify right side
    4,605.55x = 10,263,615.98
  5. Step 5: Solve for x
    x = 10,263,615.98/4,605.55
  6. Step 6: Final answer
    x = 2,228.53

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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.