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Finding the Fourth Proportional to 56,873.70, 85,310.54 and 30,542.22

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Solution

The fourth proportional to 56,873.70, 85,310.54 and 30,542.22 is: 45,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,873.70 : 85,310.54 = 30,542.22 : x
  2. Step 2: Convert to fraction form
    56,873.70/85,310.54 = 30,542.22/x
  3. Step 3: Cross multiply
    56,873.70x = 85,310.54 × 30,542.22
  4. Step 4: Simplify right side
    56,873.70x = 2,605,573,281.00
  5. Step 5: Solve for x
    x = 2,605,573,281.00/56,873.70
  6. Step 6: Final answer
    x = 45,813.32

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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.