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Finding the Fourth Proportional to 29,283.30, 43,899.03 and 13,696.74

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Solution

The fourth proportional to 29,283.30, 43,899.03 and 13,696.74 is: 20,532.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,283.30 : 43,899.03 = 13,696.74 : x
  2. Step 2: Convert to fraction form
    29,283.30/43,899.03 = 13,696.74/x
  3. Step 3: Cross multiply
    29,283.30x = 43,899.03 × 13,696.74
  4. Step 4: Simplify right side
    29,283.30x = 601,273,600.16
  5. Step 5: Solve for x
    x = 601,273,600.16/29,283.30
  6. Step 6: Final answer
    x = 20,532.99

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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.