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Finding the Fourth Proportional to 4,348.04, 6,520.06 and 2,156

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Solution

The fourth proportional to 4,348.04, 6,520.06 and 2,156 is: 3,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,348.04 : 6,520.06 = 2,156 : x
  2. Step 2: Convert to fraction form
    4,348.04/6,520.06 = 2,156/x
  3. Step 3: Cross multiply
    4,348.04x = 6,520.06 × 2,156
  4. Step 4: Simplify right side
    4,348.04x = 14,057,249.36
  5. Step 5: Solve for x
    x = 14,057,249.36/4,348.04
  6. Step 6: Final answer
    x = 3,233.01

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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.