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Finding the Fourth Proportional to 17,913.35, 26,852 and 7,391.05

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Solution

The fourth proportional to 17,913.35, 26,852 and 7,391.05 is: 11,079.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.35 : 26,852 = 7,391.05 : x
  2. Step 2: Convert to fraction form
    17,913.35/26,852 = 7,391.05/x
  3. Step 3: Cross multiply
    17,913.35x = 26,852 × 7,391.05
  4. Step 4: Simplify right side
    17,913.35x = 198,464,474.60
  5. Step 5: Solve for x
    x = 198,464,474.60/17,913.35
  6. Step 6: Final answer
    x = 11,079.14

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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.