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Finding the Fourth Proportional to 57,701.80, 86,504.10 and 29,999.80

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Solution

The fourth proportional to 57,701.80, 86,504.10 and 29,999.80 is: 44,974.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,701.80 : 86,504.10 = 29,999.80 : x
  2. Step 2: Convert to fraction form
    57,701.80/86,504.10 = 29,999.80/x
  3. Step 3: Cross multiply
    57,701.80x = 86,504.10 × 29,999.80
  4. Step 4: Simplify right side
    57,701.80x = 2,595,105,699.18
  5. Step 5: Solve for x
    x = 2,595,105,699.18/57,701.80
  6. Step 6: Final answer
    x = 44,974.43

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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.