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Finding the Fourth Proportional to 8,798.32, 12,141.69 and 4,819.68

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Solution

The fourth proportional to 8,798.32, 12,141.69 and 4,819.68 is: 6,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.32 : 12,141.69 = 4,819.68 : x
  2. Step 2: Convert to fraction form
    8,798.32/12,141.69 = 4,819.68/x
  3. Step 3: Cross multiply
    8,798.32x = 12,141.69 × 4,819.68
  4. Step 4: Simplify right side
    8,798.32x = 58,519,060.46
  5. Step 5: Solve for x
    x = 58,519,060.46/8,798.32
  6. Step 6: Final answer
    x = 6,651.16

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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.