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Finding the Fourth Proportional to 54,410.52, 81,566.52 and 19,341.98

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Solution

The fourth proportional to 54,410.52, 81,566.52 and 19,341.98 is: 28,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,410.52 : 81,566.52 = 19,341.98 : x
  2. Step 2: Convert to fraction form
    54,410.52/81,566.52 = 19,341.98/x
  3. Step 3: Cross multiply
    54,410.52x = 81,566.52 × 19,341.98
  4. Step 4: Simplify right side
    54,410.52x = 1,577,657,590.68
  5. Step 5: Solve for x
    x = 1,577,657,590.68/54,410.52
  6. Step 6: Final answer
    x = 28,995.45

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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.