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Finding the Fourth Proportional to 15,369.88, 23,051.76 and 7,047.96

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Solution

The fourth proportional to 15,369.88, 23,051.76 and 7,047.96 is: 10,570.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,369.88 : 23,051.76 = 7,047.96 : x
  2. Step 2: Convert to fraction form
    15,369.88/23,051.76 = 7,047.96/x
  3. Step 3: Cross multiply
    15,369.88x = 23,051.76 × 7,047.96
  4. Step 4: Simplify right side
    15,369.88x = 162,467,882.41
  5. Step 5: Solve for x
    x = 162,467,882.41/15,369.88
  6. Step 6: Final answer
    x = 10,570.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.