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Finding the Fourth Proportional to 19,534.55, 29,305.92 and 6,385.88

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Solution

The fourth proportional to 19,534.55, 29,305.92 and 6,385.88 is: 9,580.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,534.55 : 29,305.92 = 6,385.88 : x
  2. Step 2: Convert to fraction form
    19,534.55/29,305.92 = 6,385.88/x
  3. Step 3: Cross multiply
    19,534.55x = 29,305.92 × 6,385.88
  4. Step 4: Simplify right side
    19,534.55x = 187,144,185.62
  5. Step 5: Solve for x
    x = 187,144,185.62/19,534.55
  6. Step 6: Final answer
    x = 9,580.17

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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.