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Finding the Fourth Proportional to 2,369.63, 3,554.45 and 726.19

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Solution

The fourth proportional to 2,369.63, 3,554.45 and 726.19 is: 1,089.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.63 : 3,554.45 = 726.19 : x
  2. Step 2: Convert to fraction form
    2,369.63/3,554.45 = 726.19/x
  3. Step 3: Cross multiply
    2,369.63x = 3,554.45 × 726.19
  4. Step 4: Simplify right side
    2,369.63x = 2,581,184.64
  5. Step 5: Solve for x
    x = 2,581,184.64/2,369.63
  6. Step 6: Final answer
    x = 1,089.28

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Similar ratio
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1.5x scale

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.