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Finding the Fourth Proportional to 69,813.97, 96,342.84 and 37,983.01

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Solution

The fourth proportional to 69,813.97, 96,342.84 and 37,983.01 is: 52,416.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,813.97 : 96,342.84 = 37,983.01 : x
  2. Step 2: Convert to fraction form
    69,813.97/96,342.84 = 37,983.01/x
  3. Step 3: Cross multiply
    69,813.97x = 96,342.84 × 37,983.01
  4. Step 4: Simplify right side
    69,813.97x = 3,659,391,055.15
  5. Step 5: Solve for x
    x = 3,659,391,055.15/69,813.97
  6. Step 6: Final answer
    x = 52,416.32

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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.