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Finding the Fourth Proportional to 69,790.71, 96,308.40 and 37,959.63

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Solution

The fourth proportional to 69,790.71, 96,308.40 and 37,959.63 is: 52,382.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,790.71 : 96,308.40 = 37,959.63 : x
  2. Step 2: Convert to fraction form
    69,790.71/96,308.40 = 37,959.63/x
  3. Step 3: Cross multiply
    69,790.71x = 96,308.40 × 37,959.63
  4. Step 4: Simplify right side
    69,790.71x = 3,655,831,229.89
  5. Step 5: Solve for x
    x = 3,655,831,229.89/69,790.71
  6. Step 6: Final answer
    x = 52,382.78

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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.