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Finding the Fourth Proportional to 16,937.38, 25,411.64 and 7,079.47

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Solution

The fourth proportional to 16,937.38, 25,411.64 and 7,079.47 is: 10,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,937.38 : 25,411.64 = 7,079.47 : x
  2. Step 2: Convert to fraction form
    16,937.38/25,411.64 = 7,079.47/x
  3. Step 3: Cross multiply
    16,937.38x = 25,411.64 × 7,079.47
  4. Step 4: Simplify right side
    16,937.38x = 179,900,943.03
  5. Step 5: Solve for x
    x = 179,900,943.03/16,937.38
  6. Step 6: Final answer
    x = 10,621.53

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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.