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Finding the Fourth Proportional to 5,003.42, 6,903.06 and 3,013.22

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Solution

The fourth proportional to 5,003.42, 6,903.06 and 3,013.22 is: 4,157.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.42 : 6,903.06 = 3,013.22 : x
  2. Step 2: Convert to fraction form
    5,003.42/6,903.06 = 3,013.22/x
  3. Step 3: Cross multiply
    5,003.42x = 6,903.06 × 3,013.22
  4. Step 4: Simplify right side
    5,003.42x = 20,800,438.45
  5. Step 5: Solve for x
    x = 20,800,438.45/5,003.42
  6. Step 6: Final answer
    x = 4,157.24

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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.