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Finding the Fourth Proportional to 5,357.97, 7,393.41 and 3,000.06

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Solution

The fourth proportional to 5,357.97, 7,393.41 and 3,000.06 is: 4,139.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.97 : 7,393.41 = 3,000.06 : x
  2. Step 2: Convert to fraction form
    5,357.97/7,393.41 = 3,000.06/x
  3. Step 3: Cross multiply
    5,357.97x = 7,393.41 × 3,000.06
  4. Step 4: Simplify right side
    5,357.97x = 22,180,673.60
  5. Step 5: Solve for x
    x = 22,180,673.60/5,357.97
  6. Step 6: Final answer
    x = 4,139.75

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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.