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Finding the Fourth Proportional to 25,597.60, 38,393.88 and 8,954.56

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Solution

The fourth proportional to 25,597.60, 38,393.88 and 8,954.56 is: 13,430.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,597.60 : 38,393.88 = 8,954.56 : x
  2. Step 2: Convert to fraction form
    25,597.60/38,393.88 = 8,954.56/x
  3. Step 3: Cross multiply
    25,597.60x = 38,393.88 × 8,954.56
  4. Step 4: Simplify right side
    25,597.60x = 343,800,302.09
  5. Step 5: Solve for x
    x = 343,800,302.09/25,597.60
  6. Step 6: Final answer
    x = 13,430.96

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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.