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Finding the Fourth Proportional to 5,361.96, 7,995.40 and 5,004.48

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Solution

The fourth proportional to 5,361.96, 7,995.40 and 5,004.48 is: 7,462.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.96 : 7,995.40 = 5,004.48 : x
  2. Step 2: Convert to fraction form
    5,361.96/7,995.40 = 5,004.48/x
  3. Step 3: Cross multiply
    5,361.96x = 7,995.40 × 5,004.48
  4. Step 4: Simplify right side
    5,361.96x = 40,012,819.39
  5. Step 5: Solve for x
    x = 40,012,819.39/5,361.96
  6. Step 6: Final answer
    x = 7,462.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.