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Finding the Fourth Proportional to 11,502.65, 17,253.95 and 3,605.77

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Solution

The fourth proportional to 11,502.65, 17,253.95 and 3,605.77 is: 5,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,502.65 : 17,253.95 = 3,605.77 : x
  2. Step 2: Convert to fraction form
    11,502.65/17,253.95 = 3,605.77/x
  3. Step 3: Cross multiply
    11,502.65x = 17,253.95 × 3,605.77
  4. Step 4: Simplify right side
    11,502.65x = 62,213,775.29
  5. Step 5: Solve for x
    x = 62,213,775.29/11,502.65
  6. Step 6: Final answer
    x = 5,408.65

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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.