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Finding the Fourth Proportional to 15,810.87, 23,712.66 and 7,041

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Solution

The fourth proportional to 15,810.87, 23,712.66 and 7,041 is: 10,559.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.87 : 23,712.66 = 7,041 : x
  2. Step 2: Convert to fraction form
    15,810.87/23,712.66 = 7,041/x
  3. Step 3: Cross multiply
    15,810.87x = 23,712.66 × 7,041
  4. Step 4: Simplify right side
    15,810.87x = 166,960,839.06
  5. Step 5: Solve for x
    x = 166,960,839.06/15,810.87
  6. Step 6: Final answer
    x = 10,559.88

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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.