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Finding the Fourth Proportional to 23,720.30, 35,580.45 and 8,932.54

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Solution

The fourth proportional to 23,720.30, 35,580.45 and 8,932.54 is: 13,398.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,720.30 : 35,580.45 = 8,932.54 : x
  2. Step 2: Convert to fraction form
    23,720.30/35,580.45 = 8,932.54/x
  3. Step 3: Cross multiply
    23,720.30x = 35,580.45 × 8,932.54
  4. Step 4: Simplify right side
    23,720.30x = 317,823,792.84
  5. Step 5: Solve for x
    x = 317,823,792.84/23,720.30
  6. Step 6: Final answer
    x = 13,398.81

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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.