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Finding the Fourth Proportional to 54,047.60, 81,039.06 and 18,497.07

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Solution

The fourth proportional to 54,047.60, 81,039.06 and 18,497.07 is: 27,734.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,047.60 : 81,039.06 = 18,497.07 : x
  2. Step 2: Convert to fraction form
    54,047.60/81,039.06 = 18,497.07/x
  3. Step 3: Cross multiply
    54,047.60x = 81,039.06 × 18,497.07
  4. Step 4: Simplify right side
    54,047.60x = 1,498,984,714.67
  5. Step 5: Solve for x
    x = 1,498,984,714.67/54,047.60
  6. Step 6: Final answer
    x = 27,734.53

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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.