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Finding the Fourth Proportional to 65,797.99, 90,694.58 and 51,432.44

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Solution

The fourth proportional to 65,797.99, 90,694.58 and 51,432.44 is: 70,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,797.99 : 90,694.58 = 51,432.44 : x
  2. Step 2: Convert to fraction form
    65,797.99/90,694.58 = 51,432.44/x
  3. Step 3: Cross multiply
    65,797.99x = 90,694.58 × 51,432.44
  4. Step 4: Simplify right side
    65,797.99x = 4,664,643,090.70
  5. Step 5: Solve for x
    x = 4,664,643,090.70/65,797.99
  6. Step 6: Final answer
    x = 70,893.40

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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.