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Finding the Fourth Proportional to 5,713.56, 8,545.73 and 5,084.80

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Solution

The fourth proportional to 5,713.56, 8,545.73 and 5,084.80 is: 7,605.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.56 : 8,545.73 = 5,084.80 : x
  2. Step 2: Convert to fraction form
    5,713.56/8,545.73 = 5,084.80/x
  3. Step 3: Cross multiply
    5,713.56x = 8,545.73 × 5,084.80
  4. Step 4: Simplify right side
    5,713.56x = 43,453,285.18
  5. Step 5: Solve for x
    x = 43,453,285.18/5,713.56
  6. Step 6: Final answer
    x = 7,605.30

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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.