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Finding the Fourth Proportional to 4,671.36, 6,998.76 and 4,162.89

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Solution

The fourth proportional to 4,671.36, 6,998.76 and 4,162.89 is: 6,236.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.36 : 6,998.76 = 4,162.89 : x
  2. Step 2: Convert to fraction form
    4,671.36/6,998.76 = 4,162.89/x
  3. Step 3: Cross multiply
    4,671.36x = 6,998.76 × 4,162.89
  4. Step 4: Simplify right side
    4,671.36x = 29,135,068.02
  5. Step 5: Solve for x
    x = 29,135,068.02/4,671.36
  6. Step 6: Final answer
    x = 6,236.96

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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.