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Finding the Fourth Proportional to 9,167.10, 13,750.65 and 2,241.60

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Solution

The fourth proportional to 9,167.10, 13,750.65 and 2,241.60 is: 3,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.10 : 13,750.65 = 2,241.60 : x
  2. Step 2: Convert to fraction form
    9,167.10/13,750.65 = 2,241.60/x
  3. Step 3: Cross multiply
    9,167.10x = 13,750.65 × 2,241.60
  4. Step 4: Simplify right side
    9,167.10x = 30,823,457.04
  5. Step 5: Solve for x
    x = 30,823,457.04/9,167.10
  6. Step 6: Final answer
    x = 3,362.40

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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.