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Finding the Fourth Proportional to 5,393.31, 8,033.04 and 5,153.41

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Solution

The fourth proportional to 5,393.31, 8,033.04 and 5,153.41 is: 7,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.31 : 8,033.04 = 5,153.41 : x
  2. Step 2: Convert to fraction form
    5,393.31/8,033.04 = 5,153.41/x
  3. Step 3: Cross multiply
    5,393.31x = 8,033.04 × 5,153.41
  4. Step 4: Simplify right side
    5,393.31x = 41,397,548.67
  5. Step 5: Solve for x
    x = 41,397,548.67/5,393.31
  6. Step 6: Final answer
    x = 7,675.72

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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.