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Finding the Fourth Proportional to 6,274.74, 8,659.62 and 3,480.24

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Solution

The fourth proportional to 6,274.74, 8,659.62 and 3,480.24 is: 4,803.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,274.74 : 8,659.62 = 3,480.24 : x
  2. Step 2: Convert to fraction form
    6,274.74/8,659.62 = 3,480.24/x
  3. Step 3: Cross multiply
    6,274.74x = 8,659.62 × 3,480.24
  4. Step 4: Simplify right side
    6,274.74x = 30,137,555.91
  5. Step 5: Solve for x
    x = 30,137,555.91/6,274.74
  6. Step 6: Final answer
    x = 4,803.00

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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.