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Finding the Fourth Proportional to 54,409.68, 81,614.52 and 14,970.96

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Solution

The fourth proportional to 54,409.68, 81,614.52 and 14,970.96 is: 22,456.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,409.68 : 81,614.52 = 14,970.96 : x
  2. Step 2: Convert to fraction form
    54,409.68/81,614.52 = 14,970.96/x
  3. Step 3: Cross multiply
    54,409.68x = 81,614.52 × 14,970.96
  4. Step 4: Simplify right side
    54,409.68x = 1,221,847,714.34
  5. Step 5: Solve for x
    x = 1,221,847,714.34/54,409.68
  6. Step 6: Final answer
    x = 22,456.44

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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.