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Finding the Fourth Proportional to 2,341.92, 3,513.87 and 880.77

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Solution

The fourth proportional to 2,341.92, 3,513.87 and 880.77 is: 1,321.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,341.92 : 3,513.87 = 880.77 : x
  2. Step 2: Convert to fraction form
    2,341.92/3,513.87 = 880.77/x
  3. Step 3: Cross multiply
    2,341.92x = 3,513.87 × 880.77
  4. Step 4: Simplify right side
    2,341.92x = 3,094,911.28
  5. Step 5: Solve for x
    x = 3,094,911.28/2,341.92
  6. Step 6: Final answer
    x = 1,321.53

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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.