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Finding the Fourth Proportional to 61,848.78, 85,351.80 and 33,554.70

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Solution

The fourth proportional to 61,848.78, 85,351.80 and 33,554.70 is: 46,305.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,848.78 : 85,351.80 = 33,554.70 : x
  2. Step 2: Convert to fraction form
    61,848.78/85,351.80 = 33,554.70/x
  3. Step 3: Cross multiply
    61,848.78x = 85,351.80 × 33,554.70
  4. Step 4: Simplify right side
    61,848.78x = 2,863,954,043.46
  5. Step 5: Solve for x
    x = 2,863,954,043.46/61,848.78
  6. Step 6: Final answer
    x = 46,305.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.