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Finding the Fourth Proportional to 8,597.94, 12,898.80 and 2,755.14

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Solution

The fourth proportional to 8,597.94, 12,898.80 and 2,755.14 is: 4,133.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,597.94 : 12,898.80 = 2,755.14 : x
  2. Step 2: Convert to fraction form
    8,597.94/12,898.80 = 2,755.14/x
  3. Step 3: Cross multiply
    8,597.94x = 12,898.80 × 2,755.14
  4. Step 4: Simplify right side
    8,597.94x = 35,537,999.83
  5. Step 5: Solve for x
    x = 35,537,999.83/8,597.94
  6. Step 6: Final answer
    x = 4,133.32

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Why These Related Problems?

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