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Finding the Fourth Proportional to 3,668.84, 5,503.17 and 1,036.53

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Solution

The fourth proportional to 3,668.84, 5,503.17 and 1,036.53 is: 1,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.84 : 5,503.17 = 1,036.53 : x
  2. Step 2: Convert to fraction form
    3,668.84/5,503.17 = 1,036.53/x
  3. Step 3: Cross multiply
    3,668.84x = 5,503.17 × 1,036.53
  4. Step 4: Simplify right side
    3,668.84x = 5,704,196.91
  5. Step 5: Solve for x
    x = 5,704,196.91/3,668.84
  6. Step 6: Final answer
    x = 1,554.77

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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.