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Finding the Fourth Proportional to 3,838.09, 5,752.09 and 1,526.89

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Solution

The fourth proportional to 3,838.09, 5,752.09 and 1,526.89 is: 2,288.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.09 : 5,752.09 = 1,526.89 : x
  2. Step 2: Convert to fraction form
    3,838.09/5,752.09 = 1,526.89/x
  3. Step 3: Cross multiply
    3,838.09x = 5,752.09 × 1,526.89
  4. Step 4: Simplify right side
    3,838.09x = 8,782,808.70
  5. Step 5: Solve for x
    x = 8,782,808.70/3,838.09
  6. Step 6: Final answer
    x = 2,288.33

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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.