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Finding the Fourth Proportional to 4,938.14, 7,363.65 and 4,893.69

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Solution

The fourth proportional to 4,938.14, 7,363.65 and 4,893.69 is: 7,297.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.14 : 7,363.65 = 4,893.69 : x
  2. Step 2: Convert to fraction form
    4,938.14/7,363.65 = 4,893.69/x
  3. Step 3: Cross multiply
    4,938.14x = 7,363.65 × 4,893.69
  4. Step 4: Simplify right side
    4,938.14x = 36,035,420.37
  5. Step 5: Solve for x
    x = 36,035,420.37/4,938.14
  6. Step 6: Final answer
    x = 7,297.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.