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Finding the Fourth Proportional to 6,427.95, 9,629.19 and 5,034.80

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Solution

The fourth proportional to 6,427.95, 9,629.19 and 5,034.80 is: 7,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.95 : 9,629.19 = 5,034.80 : x
  2. Step 2: Convert to fraction form
    6,427.95/9,629.19 = 5,034.80/x
  3. Step 3: Cross multiply
    6,427.95x = 9,629.19 × 5,034.80
  4. Step 4: Simplify right side
    6,427.95x = 48,480,997.67
  5. Step 5: Solve for x
    x = 48,480,997.67/6,427.95
  6. Step 6: Final answer
    x = 7,542.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.