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Finding the Fourth Proportional to 8,934.98, 13,404.02 and 3,090.24

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Solution

The fourth proportional to 8,934.98, 13,404.02 and 3,090.24 is: 4,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.98 : 13,404.02 = 3,090.24 : x
  2. Step 2: Convert to fraction form
    8,934.98/13,404.02 = 3,090.24/x
  3. Step 3: Cross multiply
    8,934.98x = 13,404.02 × 3,090.24
  4. Step 4: Simplify right side
    8,934.98x = 41,421,623.31
  5. Step 5: Solve for x
    x = 41,421,623.31/8,934.98
  6. Step 6: Final answer
    x = 4,635.90

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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.