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Finding the Fourth Proportional to 4,323.69, 6,486.48 and 1,401.93

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Solution

The fourth proportional to 4,323.69, 6,486.48 and 1,401.93 is: 2,103.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,323.69 : 6,486.48 = 1,401.93 : x
  2. Step 2: Convert to fraction form
    4,323.69/6,486.48 = 1,401.93/x
  3. Step 3: Cross multiply
    4,323.69x = 6,486.48 × 1,401.93
  4. Step 4: Simplify right side
    4,323.69x = 9,093,590.91
  5. Step 5: Solve for x
    x = 9,093,590.91/4,323.69
  6. Step 6: Final answer
    x = 2,103.20

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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.