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Finding the Fourth Proportional to 2,585.10, 3,877.59 and 736.35

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Solution

The fourth proportional to 2,585.10, 3,877.59 and 736.35 is: 1,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.10 : 3,877.59 = 736.35 : x
  2. Step 2: Convert to fraction form
    2,585.10/3,877.59 = 736.35/x
  3. Step 3: Cross multiply
    2,585.10x = 3,877.59 × 736.35
  4. Step 4: Simplify right side
    2,585.10x = 2,855,263.40
  5. Step 5: Solve for x
    x = 2,855,263.40/2,585.10
  6. Step 6: Final answer
    x = 1,104.51

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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.