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Finding the Fourth Proportional to 17,005.64, 25,505.57 and 12,060.24

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Solution

The fourth proportional to 17,005.64, 25,505.57 and 12,060.24 is: 18,088.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,005.64 : 25,505.57 = 12,060.24 : x
  2. Step 2: Convert to fraction form
    17,005.64/25,505.57 = 12,060.24/x
  3. Step 3: Cross multiply
    17,005.64x = 25,505.57 × 12,060.24
  4. Step 4: Simplify right side
    17,005.64x = 307,603,235.24
  5. Step 5: Solve for x
    x = 307,603,235.24/17,005.64
  6. Step 6: Final answer
    x = 18,088.31

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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.