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Finding the Fourth Proportional to 2,877.66, 4,313.76 and 1,834.74

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Solution

The fourth proportional to 2,877.66, 4,313.76 and 1,834.74 is: 2,750.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.66 : 4,313.76 = 1,834.74 : x
  2. Step 2: Convert to fraction form
    2,877.66/4,313.76 = 1,834.74/x
  3. Step 3: Cross multiply
    2,877.66x = 4,313.76 × 1,834.74
  4. Step 4: Simplify right side
    2,877.66x = 7,914,606.45
  5. Step 5: Solve for x
    x = 7,914,606.45/2,877.66
  6. Step 6: Final answer
    x = 2,750.36

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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.