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Finding the Fourth Proportional to 69,790.82, 96,308.58 and 37,959.68

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Solution

The fourth proportional to 69,790.82, 96,308.58 and 37,959.68 is: 52,382.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,790.82 : 96,308.58 = 37,959.68 : x
  2. Step 2: Convert to fraction form
    69,790.82/96,308.58 = 37,959.68/x
  3. Step 3: Cross multiply
    69,790.82x = 96,308.58 × 37,959.68
  4. Step 4: Simplify right side
    69,790.82x = 3,655,842,878.05
  5. Step 5: Solve for x
    x = 3,655,842,878.05/69,790.82
  6. Step 6: Final answer
    x = 52,382.86

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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.