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Finding the Fourth Proportional to 6,375.39, 8,776.49 and 5,254.56

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Solution

The fourth proportional to 6,375.39, 8,776.49 and 5,254.56 is: 7,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.39 : 8,776.49 = 5,254.56 : x
  2. Step 2: Convert to fraction form
    6,375.39/8,776.49 = 5,254.56/x
  3. Step 3: Cross multiply
    6,375.39x = 8,776.49 × 5,254.56
  4. Step 4: Simplify right side
    6,375.39x = 46,116,567.02
  5. Step 5: Solve for x
    x = 46,116,567.02/6,375.39
  6. Step 6: Final answer
    x = 7,233.53

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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.