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Finding the Fourth Proportional to 32,360.80, 48,524.79 and 14,815.60

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Solution

The fourth proportional to 32,360.80, 48,524.79 and 14,815.60 is: 22,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,360.80 : 48,524.79 = 14,815.60 : x
  2. Step 2: Convert to fraction form
    32,360.80/48,524.79 = 14,815.60/x
  3. Step 3: Cross multiply
    32,360.80x = 48,524.79 × 14,815.60
  4. Step 4: Simplify right side
    32,360.80x = 718,923,878.72
  5. Step 5: Solve for x
    x = 718,923,878.72/32,360.80
  6. Step 6: Final answer
    x = 22,215.89

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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.