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Finding the Fourth Proportional to 4,672.66, 6,998.94 and 2,203.78

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Solution

The fourth proportional to 4,672.66, 6,998.94 and 2,203.78 is: 3,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.66 : 6,998.94 = 2,203.78 : x
  2. Step 2: Convert to fraction form
    4,672.66/6,998.94 = 2,203.78/x
  3. Step 3: Cross multiply
    4,672.66x = 6,998.94 × 2,203.78
  4. Step 4: Simplify right side
    4,672.66x = 15,424,109.74
  5. Step 5: Solve for x
    x = 15,424,109.74/4,672.66
  6. Step 6: Final answer
    x = 3,300.93

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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.