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Finding the Fourth Proportional to 52,211.72, 72,051.39 and 29,555.01

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Solution

The fourth proportional to 52,211.72, 72,051.39 and 29,555.01 is: 40,785.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,211.72 : 72,051.39 = 29,555.01 : x
  2. Step 2: Convert to fraction form
    52,211.72/72,051.39 = 29,555.01/x
  3. Step 3: Cross multiply
    52,211.72x = 72,051.39 × 29,555.01
  4. Step 4: Simplify right side
    52,211.72x = 2,129,479,551.96
  5. Step 5: Solve for x
    x = 2,129,479,551.96/52,211.72
  6. Step 6: Final answer
    x = 40,785.47

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