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Finding the Fourth Proportional to 52,103.40, 71,905.50 and 29,443.32

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Solution

The fourth proportional to 52,103.40, 71,905.50 and 29,443.32 is: 40,633.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,103.40 : 71,905.50 = 29,443.32 : x
  2. Step 2: Convert to fraction form
    52,103.40/71,905.50 = 29,443.32/x
  3. Step 3: Cross multiply
    52,103.40x = 71,905.50 × 29,443.32
  4. Step 4: Simplify right side
    52,103.40x = 2,117,136,646.26
  5. Step 5: Solve for x
    x = 2,117,136,646.26/52,103.40
  6. Step 6: Final answer
    x = 40,633.37

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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.