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Finding the Fourth Proportional to 4,562.31, 6,848.46 and 2,920.17

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Solution

The fourth proportional to 4,562.31, 6,848.46 and 2,920.17 is: 4,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,562.31 : 6,848.46 = 2,920.17 : x
  2. Step 2: Convert to fraction form
    4,562.31/6,848.46 = 2,920.17/x
  3. Step 3: Cross multiply
    4,562.31x = 6,848.46 × 2,920.17
  4. Step 4: Simplify right side
    4,562.31x = 19,998,667.44
  5. Step 5: Solve for x
    x = 19,998,667.44/4,562.31
  6. Step 6: Final answer
    x = 4,383.45

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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.