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Finding the Fourth Proportional to 53,293.80, 79,902.30 and 29,927.40

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Solution

The fourth proportional to 53,293.80, 79,902.30 and 29,927.40 is: 44,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,293.80 : 79,902.30 = 29,927.40 : x
  2. Step 2: Convert to fraction form
    53,293.80/79,902.30 = 29,927.40/x
  3. Step 3: Cross multiply
    53,293.80x = 79,902.30 × 29,927.40
  4. Step 4: Simplify right side
    53,293.80x = 2,391,268,093.02
  5. Step 5: Solve for x
    x = 2,391,268,093.02/53,293.80
  6. Step 6: Final answer
    x = 44,869.54

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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.