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Finding the Fourth Proportional to 38,844, 58,261.04 and 12,546

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Solution

The fourth proportional to 38,844, 58,261.04 and 12,546 is: 18,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,844 : 58,261.04 = 12,546 : x
  2. Step 2: Convert to fraction form
    38,844/58,261.04 = 12,546/x
  3. Step 3: Cross multiply
    38,844x = 58,261.04 × 12,546
  4. Step 4: Simplify right side
    38,844x = 730,943,007.84
  5. Step 5: Solve for x
    x = 730,943,007.84/38,844
  6. Step 6: Final answer
    x = 18,817.40

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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.