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Finding the Fourth Proportional to 65,934.35, 90,989.03 and 35,720.27

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Solution

The fourth proportional to 65,934.35, 90,989.03 and 35,720.27 is: 49,293.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,934.35 : 90,989.03 = 35,720.27 : x
  2. Step 2: Convert to fraction form
    65,934.35/90,989.03 = 35,720.27/x
  3. Step 3: Cross multiply
    65,934.35x = 90,989.03 × 35,720.27
  4. Step 4: Simplify right side
    65,934.35x = 3,250,152,352.99
  5. Step 5: Solve for x
    x = 3,250,152,352.99/65,934.35
  6. Step 6: Final answer
    x = 49,293.76

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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.