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Finding the Fourth Proportional to 2,395.86, 3,306.29 and 1,401.81

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Solution

The fourth proportional to 2,395.86, 3,306.29 and 1,401.81 is: 1,934.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,395.86 : 3,306.29 = 1,401.81 : x
  2. Step 2: Convert to fraction form
    2,395.86/3,306.29 = 1,401.81/x
  3. Step 3: Cross multiply
    2,395.86x = 3,306.29 × 1,401.81
  4. Step 4: Simplify right side
    2,395.86x = 4,634,783.38
  5. Step 5: Solve for x
    x = 4,634,783.38/2,395.86
  6. Step 6: Final answer
    x = 1,934.50

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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.