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Finding the Fourth Proportional to 8,805.94, 12,152.21 and 5,079.94

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Solution

The fourth proportional to 8,805.94, 12,152.21 and 5,079.94 is: 7,010.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.94 : 12,152.21 = 5,079.94 : x
  2. Step 2: Convert to fraction form
    8,805.94/12,152.21 = 5,079.94/x
  3. Step 3: Cross multiply
    8,805.94x = 12,152.21 × 5,079.94
  4. Step 4: Simplify right side
    8,805.94x = 61,732,441.89
  5. Step 5: Solve for x
    x = 61,732,441.89/8,805.94
  6. Step 6: Final answer
    x = 7,010.32

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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.