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Finding the Fourth Proportional to 4,856.54, 7,284.18 and 1,936.89

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Solution

The fourth proportional to 4,856.54, 7,284.18 and 1,936.89 is: 2,905.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856.54 : 7,284.18 = 1,936.89 : x
  2. Step 2: Convert to fraction form
    4,856.54/7,284.18 = 1,936.89/x
  3. Step 3: Cross multiply
    4,856.54x = 7,284.18 × 1,936.89
  4. Step 4: Simplify right side
    4,856.54x = 14,108,655.40
  5. Step 5: Solve for x
    x = 14,108,655.40/4,856.54
  6. Step 6: Final answer
    x = 2,905.09

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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.