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Finding the Fourth Proportional to 6,375.51, 8,799.21 and 3,724.47

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Solution

The fourth proportional to 6,375.51, 8,799.21 and 3,724.47 is: 5,140.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.51 : 8,799.21 = 3,724.47 : x
  2. Step 2: Convert to fraction form
    6,375.51/8,799.21 = 3,724.47/x
  3. Step 3: Cross multiply
    6,375.51x = 8,799.21 × 3,724.47
  4. Step 4: Simplify right side
    6,375.51x = 32,772,393.67
  5. Step 5: Solve for x
    x = 32,772,393.67/6,375.51
  6. Step 6: Final answer
    x = 5,140.36

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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.