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Finding the Fourth Proportional to 51,752.54, 77,628.80 and 16,692.19

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Solution

The fourth proportional to 51,752.54, 77,628.80 and 16,692.19 is: 25,038.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,752.54 : 77,628.80 = 16,692.19 : x
  2. Step 2: Convert to fraction form
    51,752.54/77,628.80 = 16,692.19/x
  3. Step 3: Cross multiply
    51,752.54x = 77,628.80 × 16,692.19
  4. Step 4: Simplify right side
    51,752.54x = 1,295,794,679.07
  5. Step 5: Solve for x
    x = 1,295,794,679.07/51,752.54
  6. Step 6: Final answer
    x = 25,038.28

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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.