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Finding the Fourth Proportional to 64,454.96, 88,945.44 and 36,162.20

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Solution

The fourth proportional to 64,454.96, 88,945.44 and 36,162.20 is: 49,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,454.96 : 88,945.44 = 36,162.20 : x
  2. Step 2: Convert to fraction form
    64,454.96/88,945.44 = 36,162.20/x
  3. Step 3: Cross multiply
    64,454.96x = 88,945.44 × 36,162.20
  4. Step 4: Simplify right side
    64,454.96x = 3,216,462,790.37
  5. Step 5: Solve for x
    x = 3,216,462,790.37/64,454.96
  6. Step 6: Final answer
    x = 49,902.49

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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.