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Finding the Fourth Proportional to 8,977.88, 13,473.04 and 3,717.66

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Solution

The fourth proportional to 8,977.88, 13,473.04 and 3,717.66 is: 5,579.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,977.88 : 13,473.04 = 3,717.66 : x
  2. Step 2: Convert to fraction form
    8,977.88/13,473.04 = 3,717.66/x
  3. Step 3: Cross multiply
    8,977.88x = 13,473.04 × 3,717.66
  4. Step 4: Simplify right side
    8,977.88x = 50,088,181.89
  5. Step 5: Solve for x
    x = 50,088,181.89/8,977.88
  6. Step 6: Final answer
    x = 5,579.07

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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.