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Finding the Fourth Proportional to 64,291.89, 88,722.21 and 35,998.05

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Solution

The fourth proportional to 64,291.89, 88,722.21 and 35,998.05 is: 49,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,291.89 : 88,722.21 = 35,998.05 : x
  2. Step 2: Convert to fraction form
    64,291.89/88,722.21 = 35,998.05/x
  3. Step 3: Cross multiply
    64,291.89x = 88,722.21 × 35,998.05
  4. Step 4: Simplify right side
    64,291.89x = 3,193,826,551.69
  5. Step 5: Solve for x
    x = 3,193,826,551.69/64,291.89
  6. Step 6: Final answer
    x = 49,676.97

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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.