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Finding the Fourth Proportional to 1,840.95, 2,747.23 and 1,516.95

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Solution

The fourth proportional to 1,840.95, 2,747.23 and 1,516.95 is: 2,263.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.95 : 2,747.23 = 1,516.95 : x
  2. Step 2: Convert to fraction form
    1,840.95/2,747.23 = 1,516.95/x
  3. Step 3: Cross multiply
    1,840.95x = 2,747.23 × 1,516.95
  4. Step 4: Simplify right side
    1,840.95x = 4,167,406.76
  5. Step 5: Solve for x
    x = 4,167,406.76/1,840.95
  6. Step 6: Final answer
    x = 2,263.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.