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Finding the Fourth Proportional to 39,273, 58,920.84 and 11,571

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Solution

The fourth proportional to 39,273, 58,920.84 and 11,571 is: 17,359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,273 : 58,920.84 = 11,571 : x
  2. Step 2: Convert to fraction form
    39,273/58,920.84 = 11,571/x
  3. Step 3: Cross multiply
    39,273x = 58,920.84 × 11,571
  4. Step 4: Simplify right side
    39,273x = 681,773,039.64
  5. Step 5: Solve for x
    x = 681,773,039.64/39,273
  6. Step 6: Final answer
    x = 17,359.84

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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.