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Finding the Fourth Proportional to 71,862.99, 107,809.53 and 24,474.35

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Solution

The fourth proportional to 71,862.99, 107,809.53 and 24,474.35 is: 36,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,862.99 : 107,809.53 = 24,474.35 : x
  2. Step 2: Convert to fraction form
    71,862.99/107,809.53 = 24,474.35/x
  3. Step 3: Cross multiply
    71,862.99x = 107,809.53 × 24,474.35
  4. Step 4: Simplify right side
    71,862.99x = 2,638,567,631.51
  5. Step 5: Solve for x
    x = 2,638,567,631.51/71,862.99
  6. Step 6: Final answer
    x = 36,716.64

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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.