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Finding the Fourth Proportional to 5,671.03, 7,825.53 and 3,280.60

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Solution

The fourth proportional to 5,671.03, 7,825.53 and 3,280.60 is: 4,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.03 : 7,825.53 = 3,280.60 : x
  2. Step 2: Convert to fraction form
    5,671.03/7,825.53 = 3,280.60/x
  3. Step 3: Cross multiply
    5,671.03x = 7,825.53 × 3,280.60
  4. Step 4: Simplify right side
    5,671.03x = 25,672,433.72
  5. Step 5: Solve for x
    x = 25,672,433.72/5,671.03
  6. Step 6: Final answer
    x = 4,526.94

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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.