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Finding the Fourth Proportional to 42,643.04, 58,849.72 and 23,780.08

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Solution

The fourth proportional to 42,643.04, 58,849.72 and 23,780.08 is: 32,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,643.04 : 58,849.72 = 23,780.08 : x
  2. Step 2: Convert to fraction form
    42,643.04/58,849.72 = 23,780.08/x
  3. Step 3: Cross multiply
    42,643.04x = 58,849.72 × 23,780.08
  4. Step 4: Simplify right side
    42,643.04x = 1,399,451,049.58
  5. Step 5: Solve for x
    x = 1,399,451,049.58/42,643.04
  6. Step 6: Final answer
    x = 32,817.81

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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.