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Finding the Fourth Proportional to 4,671.72, 7,007.56 and 1,551.96

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Solution

The fourth proportional to 4,671.72, 7,007.56 and 1,551.96 is: 2,327.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.72 : 7,007.56 = 1,551.96 : x
  2. Step 2: Convert to fraction form
    4,671.72/7,007.56 = 1,551.96/x
  3. Step 3: Cross multiply
    4,671.72x = 7,007.56 × 1,551.96
  4. Step 4: Simplify right side
    4,671.72x = 10,875,448.94
  5. Step 5: Solve for x
    x = 10,875,448.94/4,671.72
  6. Step 6: Final answer
    x = 2,327.93

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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.