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Finding the Fourth Proportional to 16,785.39, 23,164.88 and 9,333.39

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Solution

The fourth proportional to 16,785.39, 23,164.88 and 9,333.39 is: 12,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.39 : 23,164.88 = 9,333.39 : x
  2. Step 2: Convert to fraction form
    16,785.39/23,164.88 = 9,333.39/x
  3. Step 3: Cross multiply
    16,785.39x = 23,164.88 × 9,333.39
  4. Step 4: Simplify right side
    16,785.39x = 216,206,812.68
  5. Step 5: Solve for x
    x = 216,206,812.68/16,785.39
  6. Step 6: Final answer
    x = 12,880.65

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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.