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Finding the Fourth Proportional to 16,959.49, 23,403.95 and 9,507.49

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Solution

The fourth proportional to 16,959.49, 23,403.95 and 9,507.49 is: 13,120.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.49 : 23,403.95 = 9,507.49 : x
  2. Step 2: Convert to fraction form
    16,959.49/23,403.95 = 9,507.49/x
  3. Step 3: Cross multiply
    16,959.49x = 23,403.95 × 9,507.49
  4. Step 4: Simplify right side
    16,959.49x = 222,512,773.05
  5. Step 5: Solve for x
    x = 222,512,773.05/16,959.49
  6. Step 6: Final answer
    x = 13,120.25

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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.