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Finding the Fourth Proportional to 32,160.80, 48,258.24 and 15,744.80

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Solution

The fourth proportional to 32,160.80, 48,258.24 and 15,744.80 is: 23,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,160.80 : 48,258.24 = 15,744.80 : x
  2. Step 2: Convert to fraction form
    32,160.80/48,258.24 = 15,744.80/x
  3. Step 3: Cross multiply
    32,160.80x = 48,258.24 × 15,744.80
  4. Step 4: Simplify right side
    32,160.80x = 759,816,337.15
  5. Step 5: Solve for x
    x = 759,816,337.15/32,160.80
  6. Step 6: Final answer
    x = 23,625.54

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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.