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Finding the Fourth Proportional to 35,959.69, 49,511.44 and 30,571.52

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Solution

The fourth proportional to 35,959.69, 49,511.44 and 30,571.52 is: 42,092.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,959.69 : 49,511.44 = 30,571.52 : x
  2. Step 2: Convert to fraction form
    35,959.69/49,511.44 = 30,571.52/x
  3. Step 3: Cross multiply
    35,959.69x = 49,511.44 × 30,571.52
  4. Step 4: Simplify right side
    35,959.69x = 1,513,639,978.19
  5. Step 5: Solve for x
    x = 1,513,639,978.19/35,959.69
  6. Step 6: Final answer
    x = 42,092.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.