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Finding the Fourth Proportional to 64,893.96, 89,550.36 and 36,594.18

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Solution

The fourth proportional to 64,893.96, 89,550.36 and 36,594.18 is: 50,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,893.96 : 89,550.36 = 36,594.18 : x
  2. Step 2: Convert to fraction form
    64,893.96/89,550.36 = 36,594.18/x
  3. Step 3: Cross multiply
    64,893.96x = 89,550.36 × 36,594.18
  4. Step 4: Simplify right side
    64,893.96x = 3,277,021,992.90
  5. Step 5: Solve for x
    x = 3,277,021,992.90/64,893.96
  6. Step 6: Final answer
    x = 50,498.10

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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.