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Finding the Fourth Proportional to 8,599.79, 12,901.95 and 2,756.54

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Solution

The fourth proportional to 8,599.79, 12,901.95 and 2,756.54 is: 4,135.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.79 : 12,901.95 = 2,756.54 : x
  2. Step 2: Convert to fraction form
    8,599.79/12,901.95 = 2,756.54/x
  3. Step 3: Cross multiply
    8,599.79x = 12,901.95 × 2,756.54
  4. Step 4: Simplify right side
    8,599.79x = 35,564,773.51
  5. Step 5: Solve for x
    x = 35,564,773.51/8,599.79
  6. Step 6: Final answer
    x = 4,135.54

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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.