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Finding the Fourth Proportional to 8,969.94, 13,456.95 and 4,516.49

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Solution

The fourth proportional to 8,969.94, 13,456.95 and 4,516.49 is: 6,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.94 : 13,456.95 = 4,516.49 : x
  2. Step 2: Convert to fraction form
    8,969.94/13,456.95 = 4,516.49/x
  3. Step 3: Cross multiply
    8,969.94x = 13,456.95 × 4,516.49
  4. Step 4: Simplify right side
    8,969.94x = 60,778,112.82
  5. Step 5: Solve for x
    x = 60,778,112.82/8,969.94
  6. Step 6: Final answer
    x = 6,775.76

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1.5x scale

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.