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Finding the Fourth Proportional to 55,102.50, 76,041.72 and 29,952

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Solution

The fourth proportional to 55,102.50, 76,041.72 and 29,952 is: 41,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,102.50 : 76,041.72 = 29,952 : x
  2. Step 2: Convert to fraction form
    55,102.50/76,041.72 = 29,952/x
  3. Step 3: Cross multiply
    55,102.50x = 76,041.72 × 29,952
  4. Step 4: Simplify right side
    55,102.50x = 2,277,601,597.44
  5. Step 5: Solve for x
    x = 2,277,601,597.44/55,102.50
  6. Step 6: Final answer
    x = 41,333.91

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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.