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Finding the Fourth Proportional to 17,320.94, 23,903.08 and 9,363.32

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Solution

The fourth proportional to 17,320.94, 23,903.08 and 9,363.32 is: 12,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,320.94 : 23,903.08 = 9,363.32 : x
  2. Step 2: Convert to fraction form
    17,320.94/23,903.08 = 9,363.32/x
  3. Step 3: Cross multiply
    17,320.94x = 23,903.08 × 9,363.32
  4. Step 4: Simplify right side
    17,320.94x = 223,812,187.03
  5. Step 5: Solve for x
    x = 223,812,187.03/17,320.94
  6. Step 6: Final answer
    x = 12,921.48

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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.