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Finding the Fourth Proportional to 29,352.55, 43,978.50 and 19,717.36

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Solution

The fourth proportional to 29,352.55, 43,978.50 and 19,717.36 is: 29,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,352.55 : 43,978.50 = 19,717.36 : x
  2. Step 2: Convert to fraction form
    29,352.55/43,978.50 = 19,717.36/x
  3. Step 3: Cross multiply
    29,352.55x = 43,978.50 × 19,717.36
  4. Step 4: Simplify right side
    29,352.55x = 867,139,916.76
  5. Step 5: Solve for x
    x = 867,139,916.76/29,352.55
  6. Step 6: Final answer
    x = 29,542.23

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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.