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Finding the Fourth Proportional to 8,692.25, 13,029.73 and 4,529.93

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Solution

The fourth proportional to 8,692.25, 13,029.73 and 4,529.93 is: 6,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,692.25 : 13,029.73 = 4,529.93 : x
  2. Step 2: Convert to fraction form
    8,692.25/13,029.73 = 4,529.93/x
  3. Step 3: Cross multiply
    8,692.25x = 13,029.73 × 4,529.93
  4. Step 4: Simplify right side
    8,692.25x = 59,023,688.35
  5. Step 5: Solve for x
    x = 59,023,688.35/8,692.25
  6. Step 6: Final answer
    x = 6,790.38

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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.