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Finding the Fourth Proportional to 10,604.58, 15,913.01 and 5,676.99

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Solution

The fourth proportional to 10,604.58, 15,913.01 and 5,676.99 is: 8,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,604.58 : 15,913.01 = 5,676.99 : x
  2. Step 2: Convert to fraction form
    10,604.58/15,913.01 = 5,676.99/x
  3. Step 3: Cross multiply
    10,604.58x = 15,913.01 × 5,676.99
  4. Step 4: Simplify right side
    10,604.58x = 90,337,970.25
  5. Step 5: Solve for x
    x = 90,337,970.25/10,604.58
  6. Step 6: Final answer
    x = 8,518.77

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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.