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Finding the Fourth Proportional to 1,551.96, 2,325.96 and 576.90

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Solution

The fourth proportional to 1,551.96, 2,325.96 and 576.90 is: 864.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,551.96 : 2,325.96 = 576.90 : x
  2. Step 2: Convert to fraction form
    1,551.96/2,325.96 = 576.90/x
  3. Step 3: Cross multiply
    1,551.96x = 2,325.96 × 576.90
  4. Step 4: Simplify right side
    1,551.96x = 1,341,846.32
  5. Step 5: Solve for x
    x = 1,341,846.32/1,551.96
  6. Step 6: Final answer
    x = 864.61

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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.