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Finding the Fourth Proportional to 85,559.86, 128,348.60 and 32,296.71

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Solution

The fourth proportional to 85,559.86, 128,348.60 and 32,296.71 is: 48,448.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,559.86 : 128,348.60 = 32,296.71 : x
  2. Step 2: Convert to fraction form
    85,559.86/128,348.60 = 32,296.71/x
  3. Step 3: Cross multiply
    85,559.86x = 128,348.60 × 32,296.71
  4. Step 4: Simplify right side
    85,559.86x = 4,145,236,790.62
  5. Step 5: Solve for x
    x = 4,145,236,790.62/85,559.86
  6. Step 6: Final answer
    x = 48,448.38

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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.