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Finding the Fourth Proportional to 3,063.16, 4,594.80 and 871.96

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Solution

The fourth proportional to 3,063.16, 4,594.80 and 871.96 is: 1,307.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.16 : 4,594.80 = 871.96 : x
  2. Step 2: Convert to fraction form
    3,063.16/4,594.80 = 871.96/x
  3. Step 3: Cross multiply
    3,063.16x = 4,594.80 × 871.96
  4. Step 4: Simplify right side
    3,063.16x = 4,006,481.81
  5. Step 5: Solve for x
    x = 4,006,481.81/3,063.16
  6. Step 6: Final answer
    x = 1,307.96

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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.