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Finding the Fourth Proportional to 29,290.56, 43,959.08 and 15,254.56

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Solution

The fourth proportional to 29,290.56, 43,959.08 and 15,254.56 is: 22,893.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,290.56 : 43,959.08 = 15,254.56 : x
  2. Step 2: Convert to fraction form
    29,290.56/43,959.08 = 15,254.56/x
  3. Step 3: Cross multiply
    29,290.56x = 43,959.08 × 15,254.56
  4. Step 4: Simplify right side
    29,290.56x = 670,576,423.40
  5. Step 5: Solve for x
    x = 670,576,423.40/29,290.56
  6. Step 6: Final answer
    x = 22,893.94

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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.