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Finding the Fourth Proportional to 65,999.40, 98,999.19 and 16,079.19

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Solution

The fourth proportional to 65,999.40, 98,999.19 and 16,079.19 is: 24,118.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,999.40 : 98,999.19 = 16,079.19 : x
  2. Step 2: Convert to fraction form
    65,999.40/98,999.19 = 16,079.19/x
  3. Step 3: Cross multiply
    65,999.40x = 98,999.19 × 16,079.19
  4. Step 4: Simplify right side
    65,999.40x = 1,591,826,785.86
  5. Step 5: Solve for x
    x = 1,591,826,785.86/65,999.40
  6. Step 6: Final answer
    x = 24,118.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.