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Finding the Fourth Proportional to 16,908.30, 25,373.66 and 7,047.63

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Solution

The fourth proportional to 16,908.30, 25,373.66 and 7,047.63 is: 10,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.30 : 25,373.66 = 7,047.63 : x
  2. Step 2: Convert to fraction form
    16,908.30/25,373.66 = 7,047.63/x
  3. Step 3: Cross multiply
    16,908.30x = 25,373.66 × 7,047.63
  4. Step 4: Simplify right side
    16,908.30x = 178,824,132.19
  5. Step 5: Solve for x
    x = 178,824,132.19/16,908.30
  6. Step 6: Final answer
    x = 10,576.12

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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.