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Finding the Fourth Proportional to 64,351.98, 88,733.79 and 40,449.42

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Solution

The fourth proportional to 64,351.98, 88,733.79 and 40,449.42 is: 55,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,351.98 : 88,733.79 = 40,449.42 : x
  2. Step 2: Convert to fraction form
    64,351.98/88,733.79 = 40,449.42/x
  3. Step 3: Cross multiply
    64,351.98x = 88,733.79 × 40,449.42
  4. Step 4: Simplify right side
    64,351.98x = 3,589,230,339.90
  5. Step 5: Solve for x
    x = 3,589,230,339.90/64,351.98
  6. Step 6: Final answer
    x = 55,774.98

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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.