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Finding the Fourth Proportional to 3,894.76, 5,373.30 and 2,498.32

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Solution

The fourth proportional to 3,894.76, 5,373.30 and 2,498.32 is: 3,446.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.76 : 5,373.30 = 2,498.32 : x
  2. Step 2: Convert to fraction form
    3,894.76/5,373.30 = 2,498.32/x
  3. Step 3: Cross multiply
    3,894.76x = 5,373.30 × 2,498.32
  4. Step 4: Simplify right side
    3,894.76x = 13,424,222.86
  5. Step 5: Solve for x
    x = 13,424,222.86/3,894.76
  6. Step 6: Final answer
    x = 3,446.74

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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.