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Finding the Fourth Proportional to 57,175.80, 85,690.80 and 27,529.80

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Solution

The fourth proportional to 57,175.80, 85,690.80 and 27,529.80 is: 41,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,175.80 : 85,690.80 = 27,529.80 : x
  2. Step 2: Convert to fraction form
    57,175.80/85,690.80 = 27,529.80/x
  3. Step 3: Cross multiply
    57,175.80x = 85,690.80 × 27,529.80
  4. Step 4: Simplify right side
    57,175.80x = 2,359,050,585.84
  5. Step 5: Solve for x
    x = 2,359,050,585.84/57,175.80
  6. Step 6: Final answer
    x = 41,259.60

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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.