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Finding the Fourth Proportional to 34,779.29, 52,130.87 and 17,913.31

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Solution

The fourth proportional to 34,779.29, 52,130.87 and 17,913.31 is: 26,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,779.29 : 52,130.87 = 17,913.31 : x
  2. Step 2: Convert to fraction form
    34,779.29/52,130.87 = 17,913.31/x
  3. Step 3: Cross multiply
    34,779.29x = 52,130.87 × 17,913.31
  4. Step 4: Simplify right side
    34,779.29x = 933,836,434.88
  5. Step 5: Solve for x
    x = 933,836,434.88/34,779.29
  6. Step 6: Final answer
    x = 26,850.36

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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.