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Finding the Fourth Proportional to 4,853.31, 6,742.48 and 4,807.68

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Solution

The fourth proportional to 4,853.31, 6,742.48 and 4,807.68 is: 6,679.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.31 : 6,742.48 = 4,807.68 : x
  2. Step 2: Convert to fraction form
    4,853.31/6,742.48 = 4,807.68/x
  3. Step 3: Cross multiply
    4,853.31x = 6,742.48 × 4,807.68
  4. Step 4: Simplify right side
    4,853.31x = 32,415,686.25
  5. Step 5: Solve for x
    x = 32,415,686.25/4,853.31
  6. Step 6: Final answer
    x = 6,679.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.