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Finding the Fourth Proportional to 49,506.88, 74,264.68 and 13,968.51

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Solution

The fourth proportional to 49,506.88, 74,264.68 and 13,968.51 is: 20,953.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,506.88 : 74,264.68 = 13,968.51 : x
  2. Step 2: Convert to fraction form
    49,506.88/74,264.68 = 13,968.51/x
  3. Step 3: Cross multiply
    49,506.88x = 74,264.68 × 13,968.51
  4. Step 4: Simplify right side
    49,506.88x = 1,037,366,553.90
  5. Step 5: Solve for x
    x = 1,037,366,553.90/49,506.88
  6. Step 6: Final answer
    x = 20,953.99

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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.