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Finding the Fourth Proportional to 4,602.71, 6,905.28 and 2,650.61

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Solution

The fourth proportional to 4,602.71, 6,905.28 and 2,650.61 is: 3,976.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,602.71 : 6,905.28 = 2,650.61 : x
  2. Step 2: Convert to fraction form
    4,602.71/6,905.28 = 2,650.61/x
  3. Step 3: Cross multiply
    4,602.71x = 6,905.28 × 2,650.61
  4. Step 4: Simplify right side
    4,602.71x = 18,303,204.22
  5. Step 5: Solve for x
    x = 18,303,204.22/4,602.71
  6. Step 6: Final answer
    x = 3,976.61

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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.