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Finding the Fourth Proportional to 2,457.52, 3,685.04 and 876

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Solution

The fourth proportional to 2,457.52, 3,685.04 and 876 is: 1,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.52 : 3,685.04 = 876 : x
  2. Step 2: Convert to fraction form
    2,457.52/3,685.04 = 876/x
  3. Step 3: Cross multiply
    2,457.52x = 3,685.04 × 876
  4. Step 4: Simplify right side
    2,457.52x = 3,228,095.04
  5. Step 5: Solve for x
    x = 3,228,095.04/2,457.52
  6. Step 6: Final answer
    x = 1,313.56

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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.