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Finding the Fourth Proportional to 8,464.95, 11,682.36 and 4,928.49

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Solution

The fourth proportional to 8,464.95, 11,682.36 and 4,928.49 is: 6,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.95 : 11,682.36 = 4,928.49 : x
  2. Step 2: Convert to fraction form
    8,464.95/11,682.36 = 4,928.49/x
  3. Step 3: Cross multiply
    8,464.95x = 11,682.36 × 4,928.49
  4. Step 4: Simplify right side
    8,464.95x = 57,576,394.44
  5. Step 5: Solve for x
    x = 57,576,394.44/8,464.95
  6. Step 6: Final answer
    x = 6,801.74

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Double scale
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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.