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Finding the Fourth Proportional to 14,059.51, 21,091.13 and 5,173.63

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Solution

The fourth proportional to 14,059.51, 21,091.13 and 5,173.63 is: 7,761.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059.51 : 21,091.13 = 5,173.63 : x
  2. Step 2: Convert to fraction form
    14,059.51/21,091.13 = 5,173.63/x
  3. Step 3: Cross multiply
    14,059.51x = 21,091.13 × 5,173.63
  4. Step 4: Simplify right side
    14,059.51x = 109,117,702.90
  5. Step 5: Solve for x
    x = 109,117,702.90/14,059.51
  6. Step 6: Final answer
    x = 7,761.13

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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.