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Finding the Fourth Proportional to 32,401.28, 48,584.64 and 16,780.16

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Solution

The fourth proportional to 32,401.28, 48,584.64 and 16,780.16 is: 25,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,401.28 : 48,584.64 = 16,780.16 : x
  2. Step 2: Convert to fraction form
    32,401.28/48,584.64 = 16,780.16/x
  3. Step 3: Cross multiply
    32,401.28x = 48,584.64 × 16,780.16
  4. Step 4: Simplify right side
    32,401.28x = 815,258,032.74
  5. Step 5: Solve for x
    x = 815,258,032.74/32,401.28
  6. Step 6: Final answer
    x = 25,161.29

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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.