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Finding the Fourth Proportional to 6,129.06, 8,447.83 and 4,692.93

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Solution

The fourth proportional to 6,129.06, 8,447.83 and 4,692.93 is: 6,468.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,129.06 : 8,447.83 = 4,692.93 : x
  2. Step 2: Convert to fraction form
    6,129.06/8,447.83 = 4,692.93/x
  3. Step 3: Cross multiply
    6,129.06x = 8,447.83 × 4,692.93
  4. Step 4: Simplify right side
    6,129.06x = 39,645,072.50
  5. Step 5: Solve for x
    x = 39,645,072.50/6,129.06
  6. Step 6: Final answer
    x = 6,468.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.