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Finding the Fourth Proportional to 5,703.21, 8,570.00 and 3,072.73

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Solution

The fourth proportional to 5,703.21, 8,570.00 and 3,072.73 is: 4,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.21 : 8,570.00 = 3,072.73 : x
  2. Step 2: Convert to fraction form
    5,703.21/8,570.00 = 3,072.73/x
  3. Step 3: Cross multiply
    5,703.21x = 8,570.00 × 3,072.73
  4. Step 4: Simplify right side
    5,703.21x = 26,333,280.74
  5. Step 5: Solve for x
    x = 26,333,280.74/5,703.21
  6. Step 6: Final answer
    x = 4,617.28

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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.