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Finding the Fourth Proportional to 5,590.56, 7,682.60 and 5,333.60

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Solution

The fourth proportional to 5,590.56, 7,682.60 and 5,333.60 is: 7,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.56 : 7,682.60 = 5,333.60 : x
  2. Step 2: Convert to fraction form
    5,590.56/7,682.60 = 5,333.60/x
  3. Step 3: Cross multiply
    5,590.56x = 7,682.60 × 5,333.60
  4. Step 4: Simplify right side
    5,590.56x = 40,975,915.36
  5. Step 5: Solve for x
    x = 40,975,915.36/5,590.56
  6. Step 6: Final answer
    x = 7,329.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.