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Finding the Fourth Proportional to 53,225.94, 79,869.90 and 29,553.30

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Solution

The fourth proportional to 53,225.94, 79,869.90 and 29,553.30 is: 44,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,225.94 : 79,869.90 = 29,553.30 : x
  2. Step 2: Convert to fraction form
    53,225.94/79,869.90 = 29,553.30/x
  3. Step 3: Cross multiply
    53,225.94x = 79,869.90 × 29,553.30
  4. Step 4: Simplify right side
    53,225.94x = 2,360,419,115.67
  5. Step 5: Solve for x
    x = 2,360,419,115.67/53,225.94
  6. Step 6: Final answer
    x = 44,347.16

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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.