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Finding the Fourth Proportional to 2,745.06, 4,117.94 and 895.68

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Solution

The fourth proportional to 2,745.06, 4,117.94 and 895.68 is: 1,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.06 : 4,117.94 = 895.68 : x
  2. Step 2: Convert to fraction form
    2,745.06/4,117.94 = 895.68/x
  3. Step 3: Cross multiply
    2,745.06x = 4,117.94 × 895.68
  4. Step 4: Simplify right side
    2,745.06x = 3,688,352.02
  5. Step 5: Solve for x
    x = 3,688,352.02/2,745.06
  6. Step 6: Final answer
    x = 1,343.63

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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.