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Finding the Fourth Proportional to 7,959.69, 11,935.44 and 3,573.39

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Solution

The fourth proportional to 7,959.69, 11,935.44 and 3,573.39 is: 5,358.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.69 : 11,935.44 = 3,573.39 : x
  2. Step 2: Convert to fraction form
    7,959.69/11,935.44 = 3,573.39/x
  3. Step 3: Cross multiply
    7,959.69x = 11,935.44 × 3,573.39
  4. Step 4: Simplify right side
    7,959.69x = 42,649,981.94
  5. Step 5: Solve for x
    x = 42,649,981.94/7,959.69
  6. Step 6: Final answer
    x = 5,358.25

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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.