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Finding the Fourth Proportional to 53,482.68, 73,793.63 and 31,979.41

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Solution

The fourth proportional to 53,482.68, 73,793.63 and 31,979.41 is: 44,124.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,482.68 : 73,793.63 = 31,979.41 : x
  2. Step 2: Convert to fraction form
    53,482.68/73,793.63 = 31,979.41/x
  3. Step 3: Cross multiply
    53,482.68x = 73,793.63 × 31,979.41
  4. Step 4: Simplify right side
    53,482.68x = 2,359,876,644.62
  5. Step 5: Solve for x
    x = 2,359,876,644.62/53,482.68
  6. Step 6: Final answer
    x = 44,124.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.