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Finding the Fourth Proportional to 69,371.48, 95,731.86 and 37,539.80

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Solution

The fourth proportional to 69,371.48, 95,731.86 and 37,539.80 is: 51,804.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,371.48 : 95,731.86 = 37,539.80 : x
  2. Step 2: Convert to fraction form
    69,371.48/95,731.86 = 37,539.80/x
  3. Step 3: Cross multiply
    69,371.48x = 95,731.86 × 37,539.80
  4. Step 4: Simplify right side
    69,371.48x = 3,593,754,878.03
  5. Step 5: Solve for x
    x = 3,593,754,878.03/69,371.48
  6. Step 6: Final answer
    x = 51,804.50

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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.