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Finding the Fourth Proportional to 4,906.48, 7,353.88 and 1,984.40

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Solution

The fourth proportional to 4,906.48, 7,353.88 and 1,984.40 is: 2,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.48 : 7,353.88 = 1,984.40 : x
  2. Step 2: Convert to fraction form
    4,906.48/7,353.88 = 1,984.40/x
  3. Step 3: Cross multiply
    4,906.48x = 7,353.88 × 1,984.40
  4. Step 4: Simplify right side
    4,906.48x = 14,593,039.47
  5. Step 5: Solve for x
    x = 14,593,039.47/4,906.48
  6. Step 6: Final answer
    x = 2,974.24

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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.