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Finding the Fourth Proportional to 53,294.40, 79,863.84 and 29,927.52

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Solution

The fourth proportional to 53,294.40, 79,863.84 and 29,927.52 is: 44,847.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,294.40 : 79,863.84 = 29,927.52 : x
  2. Step 2: Convert to fraction form
    53,294.40/79,863.84 = 29,927.52/x
  3. Step 3: Cross multiply
    53,294.40x = 79,863.84 × 29,927.52
  4. Step 4: Simplify right side
    53,294.40x = 2,390,126,668.88
  5. Step 5: Solve for x
    x = 2,390,126,668.88/53,294.40
  6. Step 6: Final answer
    x = 44,847.61

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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.