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Finding the Fourth Proportional to 8,088.64, 12,123.03 and 3,867.05

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Solution

The fourth proportional to 8,088.64, 12,123.03 and 3,867.05 is: 5,795.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.64 : 12,123.03 = 3,867.05 : x
  2. Step 2: Convert to fraction form
    8,088.64/12,123.03 = 3,867.05/x
  3. Step 3: Cross multiply
    8,088.64x = 12,123.03 × 3,867.05
  4. Step 4: Simplify right side
    8,088.64x = 46,880,363.16
  5. Step 5: Solve for x
    x = 46,880,363.16/8,088.64
  6. Step 6: Final answer
    x = 5,795.83

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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.