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Finding the Fourth Proportional to 57,225.90, 85,814.55 and 27,652.80

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Solution

The fourth proportional to 57,225.90, 85,814.55 and 27,652.80 is: 41,467.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,225.90 : 85,814.55 = 27,652.80 : x
  2. Step 2: Convert to fraction form
    57,225.90/85,814.55 = 27,652.80/x
  3. Step 3: Cross multiply
    57,225.90x = 85,814.55 × 27,652.80
  4. Step 4: Simplify right side
    57,225.90x = 2,373,012,588.24
  5. Step 5: Solve for x
    x = 2,373,012,588.24/57,225.90
  6. Step 6: Final answer
    x = 41,467.46

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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.