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Finding the Fourth Proportional to 54,533.88, 81,800.72 and 15,090.88

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Solution

The fourth proportional to 54,533.88, 81,800.72 and 15,090.88 is: 22,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,533.88 : 81,800.72 = 15,090.88 : x
  2. Step 2: Convert to fraction form
    54,533.88/81,800.72 = 15,090.88/x
  3. Step 3: Cross multiply
    54,533.88x = 81,800.72 × 15,090.88
  4. Step 4: Simplify right side
    54,533.88x = 1,234,444,849.43
  5. Step 5: Solve for x
    x = 1,234,444,849.43/54,533.88
  6. Step 6: Final answer
    x = 22,636.29

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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.