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Finding the Fourth Proportional to 62,999.51, 86,939.48 and 34,705.67

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Solution

The fourth proportional to 62,999.51, 86,939.48 and 34,705.67 is: 47,893.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,999.51 : 86,939.48 = 34,705.67 : x
  2. Step 2: Convert to fraction form
    62,999.51/86,939.48 = 34,705.67/x
  3. Step 3: Cross multiply
    62,999.51x = 86,939.48 × 34,705.67
  4. Step 4: Simplify right side
    62,999.51x = 3,017,292,729.32
  5. Step 5: Solve for x
    x = 3,017,292,729.32/62,999.51
  6. Step 6: Final answer
    x = 47,893.91

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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.