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Finding the Fourth Proportional to 7,285.88, 10,926.03 and 2,605.01

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Solution

The fourth proportional to 7,285.88, 10,926.03 and 2,605.01 is: 3,906.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.88 : 10,926.03 = 2,605.01 : x
  2. Step 2: Convert to fraction form
    7,285.88/10,926.03 = 2,605.01/x
  3. Step 3: Cross multiply
    7,285.88x = 10,926.03 × 2,605.01
  4. Step 4: Simplify right side
    7,285.88x = 28,462,417.41
  5. Step 5: Solve for x
    x = 28,462,417.41/7,285.88
  6. Step 6: Final answer
    x = 3,906.52

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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.