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Finding the Fourth Proportional to 64,846.45, 89,486.28 and 36,166.98

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Solution

The fourth proportional to 64,846.45, 89,486.28 and 36,166.98 is: 49,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,846.45 : 89,486.28 = 36,166.98 : x
  2. Step 2: Convert to fraction form
    64,846.45/89,486.28 = 36,166.98/x
  3. Step 3: Cross multiply
    64,846.45x = 89,486.28 × 36,166.98
  4. Step 4: Simplify right side
    64,846.45x = 3,236,448,499.03
  5. Step 5: Solve for x
    x = 3,236,448,499.03/64,846.45
  6. Step 6: Final answer
    x = 49,909.42

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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.