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Finding the Fourth Proportional to 71,535, 107,304.52 and 18,944.52

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Solution

The fourth proportional to 71,535, 107,304.52 and 18,944.52 is: 28,417.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,535 : 107,304.52 = 18,944.52 : x
  2. Step 2: Convert to fraction form
    71,535/107,304.52 = 18,944.52/x
  3. Step 3: Cross multiply
    71,535x = 107,304.52 × 18,944.52
  4. Step 4: Simplify right side
    71,535x = 2,032,832,625.23
  5. Step 5: Solve for x
    x = 2,032,832,625.23/71,535
  6. Step 6: Final answer
    x = 28,417.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.