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Finding the Fourth Proportional to 30,592.56, 45,891.12 and 11,887.92

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Solution

The fourth proportional to 30,592.56, 45,891.12 and 11,887.92 is: 17,832.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592.56 : 45,891.12 = 11,887.92 : x
  2. Step 2: Convert to fraction form
    30,592.56/45,891.12 = 11,887.92/x
  3. Step 3: Cross multiply
    30,592.56x = 45,891.12 × 11,887.92
  4. Step 4: Simplify right side
    30,592.56x = 545,549,963.27
  5. Step 5: Solve for x
    x = 545,549,963.27/30,592.56
  6. Step 6: Final answer
    x = 17,832.77

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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.