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Finding the Fourth Proportional to 6,254.76, 8,629.62 and 4,159.24

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Solution

The fourth proportional to 6,254.76, 8,629.62 and 4,159.24 is: 5,738.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.76 : 8,629.62 = 4,159.24 : x
  2. Step 2: Convert to fraction form
    6,254.76/8,629.62 = 4,159.24/x
  3. Step 3: Cross multiply
    6,254.76x = 8,629.62 × 4,159.24
  4. Step 4: Simplify right side
    6,254.76x = 35,892,660.69
  5. Step 5: Solve for x
    x = 35,892,660.69/6,254.76
  6. Step 6: Final answer
    x = 5,738.46

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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.