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Finding the Fourth Proportional to 57,234.70, 85,852.05 and 50,892.40

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Solution

The fourth proportional to 57,234.70, 85,852.05 and 50,892.40 is: 76,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,234.70 : 85,852.05 = 50,892.40 : x
  2. Step 2: Convert to fraction form
    57,234.70/85,852.05 = 50,892.40/x
  3. Step 3: Cross multiply
    57,234.70x = 85,852.05 × 50,892.40
  4. Step 4: Simplify right side
    57,234.70x = 4,369,216,869.42
  5. Step 5: Solve for x
    x = 4,369,216,869.42/57,234.70
  6. Step 6: Final answer
    x = 76,338.60

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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.