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Finding the Fourth Proportional to 54,010.48, 81,015.48 and 14,571.60

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Solution

The fourth proportional to 54,010.48, 81,015.48 and 14,571.60 is: 21,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,010.48 : 81,015.48 = 14,571.60 : x
  2. Step 2: Convert to fraction form
    54,010.48/81,015.48 = 14,571.60/x
  3. Step 3: Cross multiply
    54,010.48x = 81,015.48 × 14,571.60
  4. Step 4: Simplify right side
    54,010.48x = 1,180,525,168.37
  5. Step 5: Solve for x
    x = 1,180,525,168.37/54,010.48
  6. Step 6: Final answer
    x = 21,857.34

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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.