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Finding the Fourth Proportional to 17,328.18, 23,913.09 and 9,774.87

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Solution

The fourth proportional to 17,328.18, 23,913.09 and 9,774.87 is: 13,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,328.18 : 23,913.09 = 9,774.87 : x
  2. Step 2: Convert to fraction form
    17,328.18/23,913.09 = 9,774.87/x
  3. Step 3: Cross multiply
    17,328.18x = 23,913.09 × 9,774.87
  4. Step 4: Simplify right side
    17,328.18x = 233,747,346.05
  5. Step 5: Solve for x
    x = 233,747,346.05/17,328.18
  6. Step 6: Final answer
    x = 13,489.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.