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Finding the Fourth Proportional to 5,809.58, 8,714.64 and 1,914.02

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Solution

The fourth proportional to 5,809.58, 8,714.64 and 1,914.02 is: 2,871.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.58 : 8,714.64 = 1,914.02 : x
  2. Step 2: Convert to fraction form
    5,809.58/8,714.64 = 1,914.02/x
  3. Step 3: Cross multiply
    5,809.58x = 8,714.64 × 1,914.02
  4. Step 4: Simplify right side
    5,809.58x = 16,680,021.82
  5. Step 5: Solve for x
    x = 16,680,021.82/5,809.58
  6. Step 6: Final answer
    x = 2,871.12

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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.