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Finding the Fourth Proportional to 8,173.76, 12,258.80 and 2,330.24

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Solution

The fourth proportional to 8,173.76, 12,258.80 and 2,330.24 is: 3,494.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,173.76 : 12,258.80 = 2,330.24 : x
  2. Step 2: Convert to fraction form
    8,173.76/12,258.80 = 2,330.24/x
  3. Step 3: Cross multiply
    8,173.76x = 12,258.80 × 2,330.24
  4. Step 4: Simplify right side
    8,173.76x = 28,565,946.11
  5. Step 5: Solve for x
    x = 28,565,946.11/8,173.76
  6. Step 6: Final answer
    x = 3,494.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.