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Finding the Fourth Proportional to 16,951.65, 23,394.65 and 9,400.34

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Solution

The fourth proportional to 16,951.65, 23,394.65 and 9,400.34 is: 12,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,951.65 : 23,394.65 = 9,400.34 : x
  2. Step 2: Convert to fraction form
    16,951.65/23,394.65 = 9,400.34/x
  3. Step 3: Cross multiply
    16,951.65x = 23,394.65 × 9,400.34
  4. Step 4: Simplify right side
    16,951.65x = 219,917,664.18
  5. Step 5: Solve for x
    x = 219,917,664.18/16,951.65
  6. Step 6: Final answer
    x = 12,973.23

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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.