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Finding the Fourth Proportional to 54,410.54, 81,566.51 and 19,341.99

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Solution

The fourth proportional to 54,410.54, 81,566.51 and 19,341.99 is: 28,995.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,410.54 : 81,566.51 = 19,341.99 : x
  2. Step 2: Convert to fraction form
    54,410.54/81,566.51 = 19,341.99/x
  3. Step 3: Cross multiply
    54,410.54x = 81,566.51 × 19,341.99
  4. Step 4: Simplify right side
    54,410.54x = 1,577,658,524.04
  5. Step 5: Solve for x
    x = 1,577,658,524.04/54,410.54
  6. Step 6: Final answer
    x = 28,995.46

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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.