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Finding the Fourth Proportional to 17,914.64, 26,871.93 and 5,602.64

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Solution

The fourth proportional to 17,914.64, 26,871.93 and 5,602.64 is: 8,403.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,914.64 : 26,871.93 = 5,602.64 : x
  2. Step 2: Convert to fraction form
    17,914.64/26,871.93 = 5,602.64/x
  3. Step 3: Cross multiply
    17,914.64x = 26,871.93 × 5,602.64
  4. Step 4: Simplify right side
    17,914.64x = 150,553,749.90
  5. Step 5: Solve for x
    x = 150,553,749.90/17,914.64
  6. Step 6: Final answer
    x = 8,403.95

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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.