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Finding the Fourth Proportional to 23,620, 32,609.08 and 15,673.12

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Solution

The fourth proportional to 23,620, 32,609.08 and 15,673.12 is: 21,637.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,620 : 32,609.08 = 15,673.12 : x
  2. Step 2: Convert to fraction form
    23,620/32,609.08 = 15,673.12/x
  3. Step 3: Cross multiply
    23,620x = 32,609.08 × 15,673.12
  4. Step 4: Simplify right side
    23,620x = 511,086,023.93
  5. Step 5: Solve for x
    x = 511,086,023.93/23,620
  6. Step 6: Final answer
    x = 21,637.85

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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.