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Finding the Fourth Proportional to 49,699.40, 68,559.03 and 29,541.94

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Solution

The fourth proportional to 49,699.40, 68,559.03 and 29,541.94 is: 40,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,699.40 : 68,559.03 = 29,541.94 : x
  2. Step 2: Convert to fraction form
    49,699.40/68,559.03 = 29,541.94/x
  3. Step 3: Cross multiply
    49,699.40x = 68,559.03 × 29,541.94
  4. Step 4: Simplify right side
    49,699.40x = 2,025,366,579.32
  5. Step 5: Solve for x
    x = 2,025,366,579.32/49,699.40
  6. Step 6: Final answer
    x = 40,752.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.