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Finding the Fourth Proportional to 39,071, 58,616.22 and 11,369

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Solution

The fourth proportional to 39,071, 58,616.22 and 11,369 is: 17,056.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,071 : 58,616.22 = 11,369 : x
  2. Step 2: Convert to fraction form
    39,071/58,616.22 = 11,369/x
  3. Step 3: Cross multiply
    39,071x = 58,616.22 × 11,369
  4. Step 4: Simplify right side
    39,071x = 666,407,805.18
  5. Step 5: Solve for x
    x = 666,407,805.18/39,071
  6. Step 6: Final answer
    x = 17,056.33

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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.