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Finding the Fourth Proportional to 56,692.85, 85,039.10 and 27,103.76

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Solution

The fourth proportional to 56,692.85, 85,039.10 and 27,103.76 is: 40,655.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,692.85 : 85,039.10 = 27,103.76 : x
  2. Step 2: Convert to fraction form
    56,692.85/85,039.10 = 27,103.76/x
  3. Step 3: Cross multiply
    56,692.85x = 85,039.10 × 27,103.76
  4. Step 4: Simplify right side
    56,692.85x = 2,304,879,809.53
  5. Step 5: Solve for x
    x = 2,304,879,809.53/56,692.85
  6. Step 6: Final answer
    x = 40,655.56

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1.5x scale

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.