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Finding the Fourth Proportional to 5,497.15, 7,583.48 and 5,285.03

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Solution

The fourth proportional to 5,497.15, 7,583.48 and 5,285.03 is: 7,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.15 : 7,583.48 = 5,285.03 : x
  2. Step 2: Convert to fraction form
    5,497.15/7,583.48 = 5,285.03/x
  3. Step 3: Cross multiply
    5,497.15x = 7,583.48 × 5,285.03
  4. Step 4: Simplify right side
    5,497.15x = 40,078,919.30
  5. Step 5: Solve for x
    x = 40,078,919.30/5,497.15
  6. Step 6: Final answer
    x = 7,290.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.