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Finding the Fourth Proportional to 8,601.53, 12,903.03 and 2,678.00

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Solution

The fourth proportional to 8,601.53, 12,903.03 and 2,678.00 is: 4,017.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.53 : 12,903.03 = 2,678.00 : x
  2. Step 2: Convert to fraction form
    8,601.53/12,903.03 = 2,678.00/x
  3. Step 3: Cross multiply
    8,601.53x = 12,903.03 × 2,678.00
  4. Step 4: Simplify right side
    8,601.53x = 34,554,249.82
  5. Step 5: Solve for x
    x = 34,554,249.82/8,601.53
  6. Step 6: Final answer
    x = 4,017.22

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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.