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Finding the Fourth Proportional to 4,692.08, 7,039.16 and 1,770.40

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Solution

The fourth proportional to 4,692.08, 7,039.16 and 1,770.40 is: 2,655.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.08 : 7,039.16 = 1,770.40 : x
  2. Step 2: Convert to fraction form
    4,692.08/7,039.16 = 1,770.40/x
  3. Step 3: Cross multiply
    4,692.08x = 7,039.16 × 1,770.40
  4. Step 4: Simplify right side
    4,692.08x = 12,462,128.86
  5. Step 5: Solve for x
    x = 12,462,128.86/4,692.08
  6. Step 6: Final answer
    x = 2,655.99

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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.