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Finding the Fourth Proportional to 35,392.97, 53,076.69 and 12,013.94

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Solution

The fourth proportional to 35,392.97, 53,076.69 and 12,013.94 is: 18,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.97 : 53,076.69 = 12,013.94 : x
  2. Step 2: Convert to fraction form
    35,392.97/53,076.69 = 12,013.94/x
  3. Step 3: Cross multiply
    35,392.97x = 53,076.69 × 12,013.94
  4. Step 4: Simplify right side
    35,392.97x = 637,660,301.75
  5. Step 5: Solve for x
    x = 637,660,301.75/35,392.97
  6. Step 6: Final answer
    x = 18,016.58

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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.