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Finding the Fourth Proportional to 16,957.88, 23,401.80 and 9,505.88

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Solution

The fourth proportional to 16,957.88, 23,401.80 and 9,505.88 is: 13,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,957.88 : 23,401.80 = 9,505.88 : x
  2. Step 2: Convert to fraction form
    16,957.88/23,401.80 = 9,505.88/x
  3. Step 3: Cross multiply
    16,957.88x = 23,401.80 × 9,505.88
  4. Step 4: Simplify right side
    16,957.88x = 222,454,702.58
  5. Step 5: Solve for x
    x = 222,454,702.58/16,957.88
  6. Step 6: Final answer
    x = 13,118.07

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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.