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Finding the Fourth Proportional to 8,756.94, 13,135.40 and 2,600.94

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Solution

The fourth proportional to 8,756.94, 13,135.40 and 2,600.94 is: 3,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.94 : 13,135.40 = 2,600.94 : x
  2. Step 2: Convert to fraction form
    8,756.94/13,135.40 = 2,600.94/x
  3. Step 3: Cross multiply
    8,756.94x = 13,135.40 × 2,600.94
  4. Step 4: Simplify right side
    8,756.94x = 34,164,387.28
  5. Step 5: Solve for x
    x = 34,164,387.28/8,756.94
  6. Step 6: Final answer
    x = 3,901.41

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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.