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Finding the Fourth Proportional to 8,913.16, 12,299.63 and 4,934.04

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Solution

The fourth proportional to 8,913.16, 12,299.63 and 4,934.04 is: 6,808.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.16 : 12,299.63 = 4,934.04 : x
  2. Step 2: Convert to fraction form
    8,913.16/12,299.63 = 4,934.04/x
  3. Step 3: Cross multiply
    8,913.16x = 12,299.63 × 4,934.04
  4. Step 4: Simplify right side
    8,913.16x = 60,686,804.91
  5. Step 5: Solve for x
    x = 60,686,804.91/8,913.16
  6. Step 6: Final answer
    x = 6,808.67

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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.