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Finding the Fourth Proportional to 2,733.24, 4,098.63 and 784.99

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Solution

The fourth proportional to 2,733.24, 4,098.63 and 784.99 is: 1,177.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,733.24 : 4,098.63 = 784.99 : x
  2. Step 2: Convert to fraction form
    2,733.24/4,098.63 = 784.99/x
  3. Step 3: Cross multiply
    2,733.24x = 4,098.63 × 784.99
  4. Step 4: Simplify right side
    2,733.24x = 3,217,391.63
  5. Step 5: Solve for x
    x = 3,217,391.63/2,733.24
  6. Step 6: Final answer
    x = 1,177.13

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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.