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Finding the Fourth Proportional to 53,379.68, 79,884.50 and 32,306.99

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Solution

The fourth proportional to 53,379.68, 79,884.50 and 32,306.99 is: 48,348.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,379.68 : 79,884.50 = 32,306.99 : x
  2. Step 2: Convert to fraction form
    53,379.68/79,884.50 = 32,306.99/x
  3. Step 3: Cross multiply
    53,379.68x = 79,884.50 × 32,306.99
  4. Step 4: Simplify right side
    53,379.68x = 2,580,827,181.70
  5. Step 5: Solve for x
    x = 2,580,827,181.70/53,379.68
  6. Step 6: Final answer
    x = 48,348.50

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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.