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Finding the Fourth Proportional to 15,369.36, 23,051.74 and 4,274.88

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Solution

The fourth proportional to 15,369.36, 23,051.74 and 4,274.88 is: 6,411.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.36 : 23,051.74 = 4,274.88 : x
  2. Step 2: Convert to fraction form
    15,369.36/23,051.74 = 4,274.88/x
  3. Step 3: Cross multiply
    15,369.36x = 23,051.74 × 4,274.88
  4. Step 4: Simplify right side
    15,369.36x = 98,543,422.29
  5. Step 5: Solve for x
    x = 98,543,422.29/15,369.36
  6. Step 6: Final answer
    x = 6,411.68

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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.