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Finding the Fourth Proportional to 39,583.41, 59,379.01 and 11,503.71

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Solution

The fourth proportional to 39,583.41, 59,379.01 and 11,503.71 is: 17,256.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,583.41 : 59,379.01 = 11,503.71 : x
  2. Step 2: Convert to fraction form
    39,583.41/59,379.01 = 11,503.71/x
  3. Step 3: Cross multiply
    39,583.41x = 59,379.01 × 11,503.71
  4. Step 4: Simplify right side
    39,583.41x = 683,078,614.23
  5. Step 5: Solve for x
    x = 683,078,614.23/39,583.41
  6. Step 6: Final answer
    x = 17,256.69

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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.