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Finding the Fourth Proportional to 17,320.95, 23,902.92 and 9,363.15

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Solution

The fourth proportional to 17,320.95, 23,902.92 and 9,363.15 is: 12,921.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320.95 : 23,902.92 = 9,363.15 : x
  2. Step 2: Convert to fraction form
    17,320.95/23,902.92 = 9,363.15/x
  3. Step 3: Cross multiply
    17,320.95x = 23,902.92 × 9,363.15
  4. Step 4: Simplify right side
    17,320.95x = 223,806,625.40
  5. Step 5: Solve for x
    x = 223,806,625.40/17,320.95
  6. Step 6: Final answer
    x = 12,921.15

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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.