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Finding the Fourth Proportional to 3,343.69, 4,614.13 and 1,927.63

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Solution

The fourth proportional to 3,343.69, 4,614.13 and 1,927.63 is: 2,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.69 : 4,614.13 = 1,927.63 : x
  2. Step 2: Convert to fraction form
    3,343.69/4,614.13 = 1,927.63/x
  3. Step 3: Cross multiply
    3,343.69x = 4,614.13 × 1,927.63
  4. Step 4: Simplify right side
    3,343.69x = 8,894,317.63
  5. Step 5: Solve for x
    x = 8,894,317.63/3,343.69
  6. Step 6: Final answer
    x = 2,660.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.