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Finding the Fourth Proportional to 4,671.66, 7,007.47 and 1,551.90

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Solution

The fourth proportional to 4,671.66, 7,007.47 and 1,551.90 is: 2,327.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.66 : 7,007.47 = 1,551.90 : x
  2. Step 2: Convert to fraction form
    4,671.66/7,007.47 = 1,551.90/x
  3. Step 3: Cross multiply
    4,671.66x = 7,007.47 × 1,551.90
  4. Step 4: Simplify right side
    4,671.66x = 10,874,892.69
  5. Step 5: Solve for x
    x = 10,874,892.69/4,671.66
  6. Step 6: Final answer
    x = 2,327.84

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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.