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Finding the Fourth Proportional to 69,759.40, 96,268.20 and 37,928.28

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Solution

The fourth proportional to 69,759.40, 96,268.20 and 37,928.28 is: 52,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,759.40 : 96,268.20 = 37,928.28 : x
  2. Step 2: Convert to fraction form
    69,759.40/96,268.20 = 37,928.28/x
  3. Step 3: Cross multiply
    69,759.40x = 96,268.20 × 37,928.28
  4. Step 4: Simplify right side
    69,759.40x = 3,651,287,244.70
  5. Step 5: Solve for x
    x = 3,651,287,244.70/69,759.40
  6. Step 6: Final answer
    x = 52,341.15

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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.