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Finding the Fourth Proportional to 5,611.02, 7,743.03 and 3,342.54

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Solution

The fourth proportional to 5,611.02, 7,743.03 and 3,342.54 is: 4,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.02 : 7,743.03 = 3,342.54 : x
  2. Step 2: Convert to fraction form
    5,611.02/7,743.03 = 3,342.54/x
  3. Step 3: Cross multiply
    5,611.02x = 7,743.03 × 3,342.54
  4. Step 4: Simplify right side
    5,611.02x = 25,881,387.50
  5. Step 5: Solve for x
    x = 25,881,387.50/5,611.02
  6. Step 6: Final answer
    x = 4,612.60

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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.