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Finding the Fourth Proportional to 4,675.22, 7,011.08 and 1,712.70

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Solution

The fourth proportional to 4,675.22, 7,011.08 and 1,712.70 is: 2,568.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.22 : 7,011.08 = 1,712.70 : x
  2. Step 2: Convert to fraction form
    4,675.22/7,011.08 = 1,712.70/x
  3. Step 3: Cross multiply
    4,675.22x = 7,011.08 × 1,712.70
  4. Step 4: Simplify right side
    4,675.22x = 12,007,876.72
  5. Step 5: Solve for x
    x = 12,007,876.72/4,675.22
  6. Step 6: Final answer
    x = 2,568.41

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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.