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Finding the Fourth Proportional to 3,064.32, 4,596.12 and 873

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Solution

The fourth proportional to 3,064.32, 4,596.12 and 873 is: 1,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.32 : 4,596.12 = 873 : x
  2. Step 2: Convert to fraction form
    3,064.32/4,596.12 = 873/x
  3. Step 3: Cross multiply
    3,064.32x = 4,596.12 × 873
  4. Step 4: Simplify right side
    3,064.32x = 4,012,412.76
  5. Step 5: Solve for x
    x = 4,012,412.76/3,064.32
  6. Step 6: Final answer
    x = 1,309.40

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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.