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Finding the Fourth Proportional to 16,785, 23,164.26 and 9,333.48

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Solution

The fourth proportional to 16,785, 23,164.26 and 9,333.48 is: 12,880.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785 : 23,164.26 = 9,333.48 : x
  2. Step 2: Convert to fraction form
    16,785/23,164.26 = 9,333.48/x
  3. Step 3: Cross multiply
    16,785x = 23,164.26 × 9,333.48
  4. Step 4: Simplify right side
    16,785x = 216,203,157.42
  5. Step 5: Solve for x
    x = 216,203,157.42/16,785
  6. Step 6: Final answer
    x = 12,880.74

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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.