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Finding the Fourth Proportional to 56,672.40, 85,008.60 and 50,451.60

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Solution

The fourth proportional to 56,672.40, 85,008.60 and 50,451.60 is: 75,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,672.40 : 85,008.60 = 50,451.60 : x
  2. Step 2: Convert to fraction form
    56,672.40/85,008.60 = 50,451.60/x
  3. Step 3: Cross multiply
    56,672.40x = 85,008.60 × 50,451.60
  4. Step 4: Simplify right side
    56,672.40x = 4,288,819,883.76
  5. Step 5: Solve for x
    x = 4,288,819,883.76/56,672.40
  6. Step 6: Final answer
    x = 75,677.40

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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.