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Finding the Fourth Proportional to 5,580.68, 7,699.11 and 3,342.68

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Solution

The fourth proportional to 5,580.68, 7,699.11 and 3,342.68 is: 4,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,580.68 : 7,699.11 = 3,342.68 : x
  2. Step 2: Convert to fraction form
    5,580.68/7,699.11 = 3,342.68/x
  3. Step 3: Cross multiply
    5,580.68x = 7,699.11 × 3,342.68
  4. Step 4: Simplify right side
    5,580.68x = 25,735,661.01
  5. Step 5: Solve for x
    x = 25,735,661.01/5,580.68
  6. Step 6: Final answer
    x = 4,611.56

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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.