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Finding the Fourth Proportional to 16,918.23, 23,346.03 and 9,364.05

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Solution

The fourth proportional to 16,918.23, 23,346.03 and 9,364.05 is: 12,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.23 : 23,346.03 = 9,364.05 : x
  2. Step 2: Convert to fraction form
    16,918.23/23,346.03 = 9,364.05/x
  3. Step 3: Cross multiply
    16,918.23x = 23,346.03 × 9,364.05
  4. Step 4: Simplify right side
    16,918.23x = 218,613,392.22
  5. Step 5: Solve for x
    x = 218,613,392.22/16,918.23
  6. Step 6: Final answer
    x = 12,921.76

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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.