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Finding the Fourth Proportional to 3,488.69, 4,805.03 and 3,225.93

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Solution

The fourth proportional to 3,488.69, 4,805.03 and 3,225.93 is: 4,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.69 : 4,805.03 = 3,225.93 : x
  2. Step 2: Convert to fraction form
    3,488.69/4,805.03 = 3,225.93/x
  3. Step 3: Cross multiply
    3,488.69x = 4,805.03 × 3,225.93
  4. Step 4: Simplify right side
    3,488.69x = 15,500,674.30
  5. Step 5: Solve for x
    x = 15,500,674.30/3,488.69
  6. Step 6: Final answer
    x = 4,443.13

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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.