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Finding the Fourth Proportional to 7,008.08, 10,512.32 and 1,814

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Solution

The fourth proportional to 7,008.08, 10,512.32 and 1,814 is: 2,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.08 : 10,512.32 = 1,814 : x
  2. Step 2: Convert to fraction form
    7,008.08/10,512.32 = 1,814/x
  3. Step 3: Cross multiply
    7,008.08x = 10,512.32 × 1,814
  4. Step 4: Simplify right side
    7,008.08x = 19,069,348.48
  5. Step 5: Solve for x
    x = 19,069,348.48/7,008.08
  6. Step 6: Final answer
    x = 2,721.05

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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.