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Finding the Fourth Proportional to 57,056.00, 85,563.02 and 19,605.44

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Solution

The fourth proportional to 57,056.00, 85,563.02 and 19,605.44 is: 29,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,056.00 : 85,563.02 = 19,605.44 : x
  2. Step 2: Convert to fraction form
    57,056.00/85,563.02 = 19,605.44/x
  3. Step 3: Cross multiply
    57,056.00x = 85,563.02 × 19,605.44
  4. Step 4: Simplify right side
    57,056.00x = 1,677,500,128.99
  5. Step 5: Solve for x
    x = 1,677,500,128.99/57,056.00
  6. Step 6: Final answer
    x = 29,400.94

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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.