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Finding the Fourth Proportional to 2,877.73, 4,320.54 and 2,828.52

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Solution

The fourth proportional to 2,877.73, 4,320.54 and 2,828.52 is: 4,246.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.73 : 4,320.54 = 2,828.52 : x
  2. Step 2: Convert to fraction form
    2,877.73/4,320.54 = 2,828.52/x
  3. Step 3: Cross multiply
    2,877.73x = 4,320.54 × 2,828.52
  4. Step 4: Simplify right side
    2,877.73x = 12,220,733.80
  5. Step 5: Solve for x
    x = 12,220,733.80/2,877.73
  6. Step 6: Final answer
    x = 4,246.66

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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.