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Finding the Fourth Proportional to 34,501.98, 51,752.98 and 11,128.43

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Solution

The fourth proportional to 34,501.98, 51,752.98 and 11,128.43 is: 16,692.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,501.98 : 51,752.98 = 11,128.43 : x
  2. Step 2: Convert to fraction form
    34,501.98/51,752.98 = 11,128.43/x
  3. Step 3: Cross multiply
    34,501.98x = 51,752.98 × 11,128.43
  4. Step 4: Simplify right side
    34,501.98x = 575,929,128.64
  5. Step 5: Solve for x
    x = 575,929,128.64/34,501.98
  6. Step 6: Final answer
    x = 16,692.64

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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.