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Finding the Fourth Proportional to 6,851.54, 9,454.95 and 3,826.58

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Solution

The fourth proportional to 6,851.54, 9,454.95 and 3,826.58 is: 5,280.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.54 : 9,454.95 = 3,826.58 : x
  2. Step 2: Convert to fraction form
    6,851.54/9,454.95 = 3,826.58/x
  3. Step 3: Cross multiply
    6,851.54x = 9,454.95 × 3,826.58
  4. Step 4: Simplify right side
    6,851.54x = 36,180,096.40
  5. Step 5: Solve for x
    x = 36,180,096.40/6,851.54
  6. Step 6: Final answer
    x = 5,280.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.