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Finding the Fourth Proportional to 39,994.80, 59,955.12 and 15,051.39

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Solution

The fourth proportional to 39,994.80, 59,955.12 and 15,051.39 is: 22,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,994.80 : 59,955.12 = 15,051.39 : x
  2. Step 2: Convert to fraction form
    39,994.80/59,955.12 = 15,051.39/x
  3. Step 3: Cross multiply
    39,994.80x = 59,955.12 × 15,051.39
  4. Step 4: Simplify right side
    39,994.80x = 902,407,893.62
  5. Step 5: Solve for x
    x = 902,407,893.62/39,994.80
  6. Step 6: Final answer
    x = 22,563.13

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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.