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Finding the Fourth Proportional to 14,010.37, 21,000.97 and 5,241.49

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Solution

The fourth proportional to 14,010.37, 21,000.97 and 5,241.49 is: 7,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,010.37 : 21,000.97 = 5,241.49 : x
  2. Step 2: Convert to fraction form
    14,010.37/21,000.97 = 5,241.49/x
  3. Step 3: Cross multiply
    14,010.37x = 21,000.97 × 5,241.49
  4. Step 4: Simplify right side
    14,010.37x = 110,076,243.03
  5. Step 5: Solve for x
    x = 110,076,243.03/14,010.37
  6. Step 6: Final answer
    x = 7,856.77

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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.