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Finding the Fourth Proportional to 16,922.16, 25,383.32 and 9,180.08

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Solution

The fourth proportional to 16,922.16, 25,383.32 and 9,180.08 is: 13,770.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,922.16 : 25,383.32 = 9,180.08 : x
  2. Step 2: Convert to fraction form
    16,922.16/25,383.32 = 9,180.08/x
  3. Step 3: Cross multiply
    16,922.16x = 25,383.32 × 9,180.08
  4. Step 4: Simplify right side
    16,922.16x = 233,020,908.27
  5. Step 5: Solve for x
    x = 233,020,908.27/16,922.16
  6. Step 6: Final answer
    x = 13,770.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.