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Finding the Fourth Proportional to 19,714.88, 29,567.84 and 5,674.88

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Solution

The fourth proportional to 19,714.88, 29,567.84 and 5,674.88 is: 8,511.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.88 : 29,567.84 = 5,674.88 : x
  2. Step 2: Convert to fraction form
    19,714.88/29,567.84 = 5,674.88/x
  3. Step 3: Cross multiply
    19,714.88x = 29,567.84 × 5,674.88
  4. Step 4: Simplify right side
    19,714.88x = 167,793,943.86
  5. Step 5: Solve for x
    x = 167,793,943.86/19,714.88
  6. Step 6: Final answer
    x = 8,511.03

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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.