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Finding the Fourth Proportional to 9,125.46, 12,589.02 and 5,348.84

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Solution

The fourth proportional to 9,125.46, 12,589.02 and 5,348.84 is: 7,378.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.46 : 12,589.02 = 5,348.84 : x
  2. Step 2: Convert to fraction form
    9,125.46/12,589.02 = 5,348.84/x
  3. Step 3: Cross multiply
    9,125.46x = 12,589.02 × 5,348.84
  4. Step 4: Simplify right side
    9,125.46x = 67,336,590.79
  5. Step 5: Solve for x
    x = 67,336,590.79/9,125.46
  6. Step 6: Final answer
    x = 7,378.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.