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Finding the Fourth Proportional to 2,901.66, 4,354.14 and 1,171.50

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Solution

The fourth proportional to 2,901.66, 4,354.14 and 1,171.50 is: 1,757.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.66 : 4,354.14 = 1,171.50 : x
  2. Step 2: Convert to fraction form
    2,901.66/4,354.14 = 1,171.50/x
  3. Step 3: Cross multiply
    2,901.66x = 4,354.14 × 1,171.50
  4. Step 4: Simplify right side
    2,901.66x = 5,100,875.01
  5. Step 5: Solve for x
    x = 5,100,875.01/2,901.66
  6. Step 6: Final answer
    x = 1,757.92

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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.