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Finding the Fourth Proportional to 11,646.10, 17,439.99 and 9,296.02

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Solution

The fourth proportional to 11,646.10, 17,439.99 and 9,296.02 is: 13,920.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,646.10 : 17,439.99 = 9,296.02 : x
  2. Step 2: Convert to fraction form
    11,646.10/17,439.99 = 9,296.02/x
  3. Step 3: Cross multiply
    11,646.10x = 17,439.99 × 9,296.02
  4. Step 4: Simplify right side
    11,646.10x = 162,122,495.84
  5. Step 5: Solve for x
    x = 162,122,495.84/11,646.10
  6. Step 6: Final answer
    x = 13,920.75

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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.