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Finding the Fourth Proportional to 56,944.60, 85,416.90 and 56,069.80

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Solution

The fourth proportional to 56,944.60, 85,416.90 and 56,069.80 is: 84,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,944.60 : 85,416.90 = 56,069.80 : x
  2. Step 2: Convert to fraction form
    56,944.60/85,416.90 = 56,069.80/x
  3. Step 3: Cross multiply
    56,944.60x = 85,416.90 × 56,069.80
  4. Step 4: Simplify right side
    56,944.60x = 4,789,308,499.62
  5. Step 5: Solve for x
    x = 4,789,308,499.62/56,944.60
  6. Step 6: Final answer
    x = 84,104.70

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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.